Read more about Sun Boy at: Wikipedia

Official Site: DC Comics

Sun Boy is a fictional superhero in the 30th and 31st centuries of the DC Comics universe. Sun Boy (real name Dirk Morgna of the planet Earth) is a Legion of Super-Heroes member with the ability to unleash internal solar energy to whatever degree he wishes, from enough to light a single candle to enough to melt nearly any obstacle.

Sun Boy first appeared in 1961 during the Silver Age of Comic Books.

Sun Boy first appeared in Action Comics #276 (as a cameo in a Supergirl story) and was created by Jerry Siegel and Jim Mooney.

His first full appearance (albeit as an impostor) is in Adventure Comics #290.

Sun Boy has not been a contender in any CBUB matches.