Boo

Boo can only hurt enemies who are looking at him. You can hide the hit box by pressing the shift key. 

Boo can hurt bosses regardless of if they are looking at him.

Damage: 9999

Newton

Newton can throw an apple up and then it falls down.

Damage: 1

Android 35

Android 35 can create energy blasts that can be controlled with the arrow keys. She can create up to 3 energy blasts at a time.

Damage: 9999

Replicating Robotnik

Replicating Robotnik can shoot lasers and he can create clones of himself that mimic his attacks. He shoots lasers automatically and can create up to 3 clones. Replicating Robotnik's clones last for a little while after he leaves the game.

Damage: 1

Scissors

Scissors can cut enemies and his direction can be changed by using the up and down keys. Don't run with them.

Damage: 9999

Spring

Spring can plant a spring trap that launches enemies into the air if they touch it. The launched enemies can damage other enemies.

Spring Damage: 9999

Launched Enemy Damage: 9999

Remote Bomb

Remote Bomb can plant a bomb that can be detonated by pressing shift.

Damage: 9999