Polar Boy is Brek Bannin, a member of the Legion of Super-Heroes in the 30th Century. Born on the planet Tharr, he has the natural ability to create and control ice. Originally rejected by the Legion, he founded the Legion of Substitute Heroes. The real Legion accepted him when he learned to control his powers. In Reboot Legion continuity, Polar Boy is only ever a member of the Substitute Heroes; while in Prime Legion continuity, Polar Boy is a member of the Wanderers who can slow down molecular movement. This character was created by Edmond Hamilton and John Forte, first appearing in Adventure Comics #306. (1963)

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