History of character is unknown.
- This version of the character is exclusive to the continuity of the television series Young Justice and its tie-in comic book series. It is an adaptation of Ray Palmer/Atom. The original character was created by Gardner Fox and Gil Kane and first appeared in Showcase #34.
- Atom was voiced by Jason Marsden.
- 12 Appearances of Raymond Palmer (Earth-16)
- 2 Images featuring Raymond Palmer (Earth-16)
- Quotations by or about Raymond Palmer (Earth-16)
- Character Gallery: Raymond Palmer (Earth-16)
|Justice League member|
This character is or was a member of the Justice League of America, or the Justice League in any of its various incarnations, sworn by a duty to act as guardians of America and the world by using their skills and/or superpowers to protect Earth from both interstellar and domestic threats.