Ninten (Mother/Earthbound) Discussion

The Basics
His playstyle consists of battling using whatever support he can, by using buffs to improve his attacks, durability, and speed, while he cripples the opponent with decreased stats and status effects using items or PSI. This kind of support in the entire Mother series helps a LOT, especially when the main character is fighting by himself or in boss battles.
I thought of him actually using support in an offensive way, since he's pretty much a Combat Medic and focuses more on support PSI than Ness and Lucas. So, most of his attacks have secondary effects that either benefit him or cause some trouble to the opponent.
His drawbacks are that he's a bit easier to KO than both Ness and Lucas, and some of his attacks are either slow or don't do too much knockback.
All de/buffs and status effects last for some time or until certain conditions are fulfilled.

Jab Combo: Does 2 punches and a quick swing with the bat.

Up Tilt: Slingshot
Pulls out a slingshot and shoots a rock in an arc. It covers a lot of distance, but it doesn't do much damage and doesn't cover anything directly above Ninten. Sometimes shoots a bigger rock that does more damage, but travels less distance.

Side Tilt: SMAAAASH!
Ninten equips his Bat and swings it. Weaker than Ness' bat and Lucas' Stick, but sometimes can do a "SMAAAASH!!", dealing double damage. There's a higher chance of a "SMAAAASH!!" appearing when Ninten has Offense Up.

Down Tilt: Rope (Ground)
Ninten throws a Rope on the ground in front of him and pulls it back. If the Rope hits someone while on the ground, it immobilizes the opponent by wrapping itself and he pulls it, making the victim tumble and fall almost immediately.

Dash Attack:
Swings with his bat while running.
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Up Smash: Offense Up
Ninten does a jump similar to a 'victory jump', with his fists having an orange glow. If he hits someone during the jump, he does damage and applies Offense Up on himself - the orange glow stays and all attacks get stronger. When fully charged, the buff is permanent if Ninten hits (from now on, permanent = until Ninten/the opponent is KO'd), otherwise it's temporary. Of course, his bonus is smaller than Lucas' own Offense Up.

Side Smash: Boomerang
Equips the Boomerang and throws it. Doesn't cover as much distance as the slingshot, even when fully charged, but does multiple hits. It gets weaker as it goes on, though it's good for damage dealing.

Down Smash: Bullhorn
Ninten gets the Bullhorn item, turns to the closest opponent and shouts on it. It does high damage, medium knockback and puts Offense Down; Its duration depends on how much Ninten charged before the attack. However, while it always does damage, there's a chance it will actually backfire and enrage the victim, applying Offense UP on the victim instead.
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Neutral Aerial: Hypnosis
Ninten puts his hand forward and releases a small wave around him. If it hits anyone, the victim takes small damage and knockback and is Hypnotized - either falls asleep on the spot or will do so as soon as s/he hits the ground, because the same wave will appear again as soon as the victim lands, putting him/her to sleep. To compensate, the attack doesn't come out right away and it's possible to dodge the second wave (the one that puts to sleep) just after landing.

Up Aerial: Rope (Aerial)
Ninten uses the rope by throwing it upward. If it catches anyone, the rope drags him/her down to him and he pushes the opponent away. Works kind of like Lucas' Zair, but vertically. The rope can actually tether.

Forward Aerial: Healing π
Ninten does a 'push' with his hands (almost like Ness' Fair), charged with a green PSI aura. It's weaker than Ness' Fair, but if used on someone Asleep or Hypnotized, it removes the status, but deals double damage and knockback.

Back Aerial/Bair: Power Shield
Ninten creates an energy shield just behind him while turning and 'pushing' with his hand. The shield covers everything behind Ninten, but nothing else. The shield then breaks like glass and the shards fly behind Ninten, doing multihit damage, but low knockback. If anything hits the shield, it breaks early and does more knockback than usual, so this can be used as a counter too.

Down Aerial: Flashdark
Ninten pulls out a Flashlight... except it casts a shadow instead of a light. The "shadow" (a black light, for lack of a better explanation) is fired diagonally down. If it hits just before the end of the move, the opponent takes damage and gets Blind - for a few seconds, any attacks (even a grab) may 'miss' Ninten entirely, as if it didn't even touch him.
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Neutral Special: Defense Down α/β + general idea from PK Beam as an actual beam
Ninten puts one of his hands on his chest and starts to focus. If fired before it fully charges, Ninten releases a blue beam from his hand. This is the α level of the move; It does no damage and knockback, but ignores shields/dodges and puts Defense Down (takes more damage) on the victim temporarily.
The full charge fires a larger yellow beam; the β level. It can be blocked or dodged, but it does medium damage and knockback, applies Defense Down permanently and passes through the victim when not blocked, making it possible to hit more than 1 opponent with it.

Up Special: 4th-D Slip/Dimensional Warp (calling D. Warp from now on, the latter name is from the more faithful 1+2 fan translation)
Since this attack has no animation but makes the same noise as Teleport in Mother 1, an explanation for it I could think of is the following: Ninten opens a portal just below him, kind of like the one Ness comes out from when teleporting in the Smash games. He enters it, and then he can move freely in any direction 'behind the scene'.
He can't be hit at all during this, and comes back after some time (3 seconds at most) or by pressing the special button again, and is helpless afterwards. He can't be attacked while moving, but to balance all that, the move can be interrupted before he enters and unlike other U-Specials, if successful, he also can't use it again until landing, even after being hit. Keeping an element from Teleport, if he teleports back too close to an opponent, Ninten explodes and takes damage, but the opponent does as well.

Side Special: QuickUp
Ninten dashes forward, leaving a green trail behind him. He can pass through enemies doing no damage, and if he does so, his overall speed (charge times and attack speed) is temporarily increased and he gains a green glow to show this. Good recovery move, and doesn't leave him helpless, he just can't use it again.

Down Special: PSI Shield α
Ninten starts focusing like he does on the N-Special, but when charged, he gains a semitransparent blue shield outlining him. The next 3 attacks will do only half damage and knockback on him. The player can reinforce the Shield (reset the counter to 3 or add 1 to the max if it's 3+) by using it again, but it’ll take longer than normal to fully charge - almost double the normal time.
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Grab: Uses the Rope to pull an opponent to him.

Up Throw: Flea Bag
Ninten throws the opponent upward in a similar way to Lucas' PK Fire throw, but instead of PK Fire, throws the Flea Bag item on him/her. A bunch of fleas swarm on the victim, doing multihit damage and applying both Offense Down and Defense Down when it ends - both temporary, but the latter doesn't override its permanent version.

Forward Throw: Ninten forces the opponent to spin, then while s/he's spinning, he hits the victim with his bat. This throw has the same power as the Side Tilt, but actually has a guaranteed "SMAAAASH!!".

Back Throw: Ninten creates a portal behind the victim using D. Warp, throws the target in by hitting him/her with the bat and opens a portal just behind (and a bit above) him. The victim comes out of said portal flying.

Down Throw: Shield Off
Ana's PSI. Ninten does an attack similar to Lucas' Down Throw. But it's a bit weaker and puts a debuff that temporarily 'disables' any shields and dodges. If the victim presses the Shield button while this debuff is in effect, the shield is instantly broken. In the air, instead or air dodging, the victim takes damage and is put on a Tumbling state. It wears off after a few seconds.
The original effect is also there. Ninten's own PSI Shield cancels this immediately, but he loses it as well.
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FINAL SMASH: 2 ideas
1) PK Beam γ
Ninten opens a D. Warp portal and Ana comes out of it. Ana charges a golden sphere of PSI (the PK Beam) and Ninten uses Offense Up on her. Then, they throw it upward and Ana teleports away on the same portal she entered. Kinda similar to this, but the similarities end here.
The player can control the horizontal trajectory of the energy ball, but it keeps going up until it reaches the very top of the screen, when it explodes in a vertical beam of light that covers everything from top to bottom of the screen. The area is pretty much what Ness' Starstorm covers in Smash 4, but fixed. The beam of light instantly kills anyone hit by it. It does no damage at all, just extremely high knockback.

2) Eight Melodies
Ninten pulls out his Ocarina and plays the Eight Melodies on it. He releases a sound wave like DK's Final Smash, but is a bit larger (around Luigi's Negative Zone) and any opponents caught will be immobilized and take damage over time (but not knockback) until around 2 seconds after the move ends.
After Ninten ends playing, he gains every buff (Offense Up, Shield, QuickUp) plus a fully charged Defense Down, and they all are better than normal (extra time/hits). The player can hold the special button, so he plays the melody a bit faster. But if the player does this even once, the opponent will be freed after 1 second and Ninten's buffs will last normally. He still gets the fully charged Defense Down. He can take damage, but can't be interrupted.

Taunt: Pulls out an Asthma Spray and uses it.