watari_(death_note)

Watari, whose real name is Quillsh Wammy, is L's handler in Death Note and the founder of Wammy's House, an orphanage for gifted children. He acted as L's only point of contact and provided logistics to the Kira task force. He is killed by the shinigami Rem, at Light's manipulation, but before dying he activates a kill switch to delete all of L's data as instructed.