What animal is rook in chess?

What animal is rook in chess? The castle also participates, along with the king, in a special move called castling. In the past, the castle or rook was also called the Tower. A rook represented by an elephant.

The castle also participates, along with the king, in a special move called castling. In the past, the castle or rook was also called the Tower. A rook represented by an elephant.