Robert Callaghan

Big Hero 6

Big Hero 6

Callaghan headed the robotics program at the San Fransokyo Institute of Technology. Believing Alistair Krei killed his daughter Abigail in a failed portal test, he stole Hiro Hamada's microbots, faked his death in a fire and, as the masked Yokai, attacked Hiro and his friends. Big Hero 6 unmasked and stopped him, and Abigail was recovered alive.

enemy of

Hiro Hamada, Baymax, Wasabi-No Ginger, Alistair Krei

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Last checked 22 Oct 2026