the-friendly-cow - basically occupiyng the left side of the board... it moves itself 1 square forward every 3 turns. White has no pieces in the left side - there is a cow instead... and cow and forces to black to develope his left side before being crushed by it's unstoppable advancement.
What a thread
The dumbass. Can only move to somewhere where it can be captured, cannot capture any other pieces, and can move in any way so long as it meets these conditions.
But still, since there is also hardly any point in capturing it, it might be a very handy, clever piece.
The Chuck Norris. When Chuck Norris is in the game, he wins the game. You lose, your opponent loses, and everyone playing chess in a range of 100 km lose their game.
Pretty useless.
The Dunce
If your queen gets captured and you do not recapture you may promote a pawn into a dunce.
The dunce can move into any unoccupied corner, it cannot capture pieces.
The joker. They sit behind the pawns, and can look like any piece at all (Queen, bishop, rook, knight, pawn, king). Whatever piece it looks like, it moves like a king, and when it gets captured you lose, even if the king is not in checkmate.
The Evert: Makes your game change into a variant.
The Reverser: Lets you're opponent make 10 extra moves if you touch one of your pawns.
The Time Machine: Reverses your last 2 moves and your opponent's last move. Moves like a rook.
The Trexler: Makes all of your pieces into any piece here LOL
The World: Every time it is moved, you get 1 additional move (any move, not necessarily a move with The World). Moves like the king. Can only move after one of your pieces are captured.
The Granny Norma, blurts out random memes if you move
The Blocker: It blocks you and you must instantly resign
The Person: Stares at you so much that you blunder
The Game: I lost the game
The Trexler: Makes all of your pieces into any piece here LOL
?
The iPiece. It's just like a normal piece except it's got rounded edges and costs twice as much.
The mega smiley: It smiles and occupies the whole board.
It flips off the other pieces and the king is terrified of it.