Boom-Box is a surrousian (pun on the word surround as in surround sound speekers often associated with boomboxes) whos home planet is explosia (pun on the word explosion which is one of his powers). He has the powers of sound as well as explosions. He is immune to loud sound and is almost deaf though explosions and sound waves other than ones he creates can do some serious damage. he first appears in the episode "Still Learning How" of the Dan 10 series.