Jack Atlas is
Yusei Fudo's former rival as well as one of his many friends in
Yu-Gi-Oh! 5D's who, eventually after the first season, serves as a deuteragonist. Jack was one of the
Signers with the wings of the
Crimson Dragon on his right arm. He is also the foster brother of Yusei and
Crow Hogan.
An alternate universe
version of Jack appears in
Yu-Gi-Oh! ARC-V
"
Red Dragon Archfiend", known as "
Red Daemon" (
Reddo Dēmon) in Japan, is an
archetype used by
Jack Atlas in the
Yu-Gi-Oh! 5D's anime and
manga,
Fake Jack Atlas, and an alternate dimension
Jack Atlas in the
Yu-Gi-Oh! ARC-V anime series.
The archetype is a sub-archetype of the "
Archfiend" archetype, and primarily consists of Jack Atlas'
Signer Dragon, "
Red Dragon Archfiend", and
Duel Dragon, "
Hot Red Dragon Archfiend", and their upgraded forms in the anime and manga, respectively.
This archetype is the rival to the "
Stardust" archetype, used by Jack Atlas' rival,
Yusei Fudo.