Tail 'Gator

The peaceful kingdom of Moberry is under attack! A powerful dragon has teleported his castle and armies into an animal realm that never knew warfare. The creatures went to their greatest hero to save them - Charly, the highland alligator. Charly bursts into action as he whips the evil invaders with his mighty tail. Help Charly strike a blow for freedom in this tail spinning adventure for the Game Boy! (gamefaqs)