Question: Mantis has a son named Sequoia.  What organization is Mantis a former member of?
Sentence (from "Takeshi Tsuruno"): Takeshi Tsuruno (つるの 剛士 , Tsuruno Takeshi ) is a Japanese actor, tarento, and musician, originally from Moji-ku, Kitakyūshū, Fukuoka Prefecture.
Relevant evidence: No