All of them - apart form the King.
No, a pawn cannot capture a king in chess.
No, pawns cannot capture kings in chess.
Chess is based off of war. Also it's just a habit.
No, a knight cannot capture a king in a game of chess.
No, a pawn cannot capture a king in a game of chess.
No, you cannot capture a king with a king in a game of chess.
No, you cannot capture a king with another king in a game of chess.
Yes, in chess, a king can capture a pawn if the pawn is within the king's reach and there are no other pieces blocking the capture.
Yes, in the game of chess, a king can capture a bishop by moving to the square occupied by the bishop.
Yes, in the game of chess, a king can capture a knight by moving to the square occupied by the knight.
Yes, a king can capture a piece in chess by moving to a square occupied by an opponent's piece.
Chess variant is a game derived from chess. So it is quite similar to chess. Most people would probably play normal chess rather than chess variant. The difference between chess and chess variant are: Similar but different rules. Different board. Similar but different pieces.