(L-R) Phantom Girl, Bouncing Boy, Triplicate Girl, Sun Boy, Shrinking Violet, and Brainiac 5 made their first appearance in Action Comics #276 on this date in 1961. Eventually all became members of the Legion of Super-Heroes.

Phantom Girl, Bouncing Boy, Triplicate Girl, Sun Boy, Shrinking Violet, and Brainiac 5 made their first appearance in Action Comics #276 on this date in 1961.

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