Yokai

 Robert Callaghan=

|-| Yokai=

Robert Callaghan is the main antagonist as the villainous Yokai of the 2014 film Big Hero 6. He is the head of the San Fransokyo Institute of Technology and was Tadashi and his friends’s professor and mentor.

Official Disney Bio

 * YOKAI is the silent masked man behind the terrible tragedy that strikes San Fransokyo, turning Hiro’s world upside down. As a result, Hiro transforms a group of nerds into a team of high-tech crime fighters—Big Hero 6—with one mission: Track down Yokai and bring him to justice.

Trivia

 * Callaghan's appearance is similar to the main villain's of Atlantis: The Lost Empire, Lyle Tiberius Rourke.
 * His name may have been originally Dr. Martin Lebur according to the 2013 Rotoscopers video and early information.
 * Yokai means "spirit" or "phantom" in Japanese.