Hot Head

Hot Head is the boss of the Turtle Rock dungeon in The Legend of Zelda: Link's Awakening.

It can be easily defeated by using the Magic Rod. You just hammer the button on which you have it on and aim for Hot Head. This gets you the Thunder Drum.

Note: Hot Head is a giant Podoboo, the living fireballs from the Super Mario series, also encountered in this dungeon. He also resembles Podoboo who was a boss in Super Mario Bros. 2 and a character in some other Mario-related media.