Flipper

Flipper is an obstacle in the NES game Balloon Fight and it is also present in Super Smash Flash where it is one of the few items featured in the game. It is possible that they replaced the Bumpers from the original Super Smash Bros. when the follow-up, Super Smash Bros. Melee was released.

In Super Smash Flash
Because its appearance in SSBM, Flippers were reatured in the fangame SSF, where they work most likely the same. Players can pick it up and throw it, when thrown, it will hover in the air and begin to spin. Any player who comes in contact with it receives damage. The Flipper continues spinning, while hurting other characters, and after some amount of time, it disappears.

In Super Smash Flash 2
Any item outside the current demo and/or Smash Flash DOJO!! is considered unconfirmed. Flippers were once confirmed to reappear in Super Smash Flash 2 in an old update from the second DOJO!! but after its closure, it its status is unknown for the moment.

External link

 * The "veteran" items update that showed the Flipper's reincorporation.