Bowser is a fictional character from the Mario video game series. He is an anthropomorphic turtle-like creature and the main antagonist of the series. The crossword solutions for Bowser are POOCH (5 letters), FIDO (4 letters), ALPO (4 letters), STAY (4 letters), REX (3 letters), ORT (3 letters), Magoo (5 letters), and Shanana (7 letters). These words all relate to Bowser in some way, as they are all names of animals, which is what Bowser is.