Robert Callaghan (also known as Yokai) is the main antagonist of Disney's 2014 animated feature film, Big Hero 6. He was the head robotics professor at the San Fransokyo Institute of Technology and mentor to Tadashi Hamada. After suffering a personal tragedy, he became a silent, kabuki masked supervillain bent on exacting vengeance, with an army of Microbots at his command.
Robert Callaghan/Yokai plays Norman Osborn/Green Goblin in Spider-Man 1, 2, and 3
He was the founder of Oscorp and later became one of Spider-Man's first supervillains, the Green Goblin.
Yokai plays Darth Maul in The Phantom Menace Fanmake 2
Yokai plays Sa'luk in Lucasladdin Nickle 3: The King of Thieves and Pinocchioladdin 3: The King of Thieves
Callaghan plays Prince John in Jiminy Hood
He is a lion.
Callaghan plays Shere Khan in The Clan Book
He or She is a tiger.
Callaghan plays Prince Hans in Frozen (Jiminy Cricket Style)
Yokai is played by Moloch in Big Hero 7
Yokai is played by Cruella De Vil in Big Heroine 6