*Sigh* Amazingly/Sadly enough, I actually did a little personal project on this exact topic...
Bowser Jr. (Super Mario Bros.)
Special: Fireball
Forward S: Shell Shock
Down S: Transform*
Up S: Whirling Fort
Shadow Mario (Super Mario Bros.)
Special: Grafitti
Forward S: Paintbrush Cyclone
Down S: Transform*
Up S: Super Jump Punch
King K. Rool (Donkey Kong)
Special: Cannon Shot
Forward S: Shooter Sweep
Down S: Grand Slam
Up S: Heli-Pad
Ridley (Metroid)
Special: Kinectic Breath
Forward S: Power Rush
Down S: Energy Missile
Up S: Shock Slam
Villager (Animal Crossing)
Special: Watering Can
Forward S: Axe
Down S: Shovel
Up S: Balloon
The Black Knight (Fire Emblem)
Special: Javelin
Forward S: Eclipse
Down S: Counter
Up S: Teleportation Dust
Tails (Sonic the Hedgehog)
Special: Dummy Ring Bomb
Forward S: Tail Attack
Down S: Tails Spin
Up S: Fly
Knuckles (Sonic the Hedgehog)
Special: Drill Claw
Forward S: Knuckle Buster
Down S: Knuckles Spin
Up S: Knuckle Glider
Dr. Robotnik (Sonic the Hedgehog)
Special: Energy Sphere
Forward S: Remote Torpedo
Down S: Robo-Bomb
Up S: Rocket Boost
*Same character on selection screen.
