Cosmic Boy is a fictional character, a comic book superhero in the DC Comics universe from Legion of Super-Heroes. He has the superhuman ability to control electromagnetic fields. He is a founding member of the Legion of Super-Heroes, along with Lightning Lad and Saturn Girl. He first appeared in Adventure Comics #247 (April 1958).

Cosmic Boy's character has been fairly consistent over the various versions of the Legion. He was the Legion's original leader and is portrayed as such in the current version of the series. He is rather serious and has a strong sense of duty,honor and tradition, knowing that it is "a supreme crime for a Braalian to misuse their super-magnetic powers.

Powers and Abilities

Cosmic Boy's superpower is super-magnetism. He can manipulate, repel or attract metal objects of varying sizes. Naturally, the more metal is in an object the easier it is for him to affect magnetically. Cosmic Boy has been show to pull large iron meteors and satellites down from space with minimal effort. He can use his magnetic power on rocks that contain iron ore to pull or use them a projectiles. He can also magnetize metal objects so that they become magnets themselves and stick make them stick to other metal objects. His power cannot affect non-magnetic metals, such as aluminium and gold, or organic substances like wood or flesh.