|Occupation:||Medic, fighting robot, superhero|
|Relationships:||Tadashi (creator), Wasabi (friend), Hiro Hamada (owner), GoGo (friend), Fred (friend), Baymax (friend), Alistair Krei (acquaintance), Robert Callaghan (enemy)|
|Fandom:||Big Hero 6|
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Baymax is a healthcare robot companion built by Tadashi Hamada. Baymax is then upgraded by Hiro Hamada to help the boy and his friends fight the villain who stole Hiro's microbots and later be a part of the superhero team along with Hiro, Wasabi, Fred, Gogo and Honey Lemon.