Charles J. Kalani Jr. was an American professional wrestler, professional boxer, martial artist and actor. He was known by the ring names Professor Toru Tanaka, or simply Professor Tanaka. He was best known for his work with the World Wide Wrestling Federation from 1967 to 1978, and was a 3-time Tag Team Championship and one-time International Tag Team Champion. In 2019, he was posthumously inducted into the WWE Hall of Fame as a Legacy Member.