Hargrave is a major antagonist in Monsuno: World Master and Monsuno: Combat Chaos.
He works as the butler to the leader of Eklipse, Dr. Emmanuel Klipse, and has fought Monsuno battles alongside Klipse against Core-Tech and S.T.O.R.M. forces.
Hargrave is dubbed by Kirk Thornton, who also voiced numerous Digimon from the franchise of the same name, Brandon Heat in Gungrave, Hotohori in Fushigi YĆ«gi, Klein in Sword Art Online, Jin in Samurai Champloo, Anavel Gato in Gundam 0083: Stardust Memory, Hajime Saito in Rurouni Kenshin, Jet Link in Cyborg 009, Don Patch in Bobobo-bo Bo-bobo, Ensign Nogami in The Cockpit, Number VII Organization XIII member SaĂŻx in the Kingdom Hearts series and Shadow the Hedgehog and Orbot (both since 2010) in the Sonic the Hedgehog series.