Jones, Marvin: - Marvin Jones III, also known as Krondon, is an American actor and rapper from Los Angeles, California. He is a member of the group Strong Arm Steady, along with rappers Phil Da Agony and Mitchy Slick. As an actor, Jones is known for his amazing portrayal of the character Tobias Whale in the CW superhero television series Black Lightning, and as the voice of Tombstone in the superhero film Spider-Man: Into the Spider-Verse.