グリーヴァス将軍
Rick Leonardi (born August 9, 1957) is an American comics artist who has worked on various series for Marvel Comics and DC Comics, including "Cloak and Dagger", "The Uncanny X-Men", "The New Mutants", "Spider-Man 2099", "Nightwing", "Batgirl", "Green Lantern Versus Aliens" and "Superman". He has worked on feature film tie-in comics such as "Star Wars: General Grievous" and "Superman Returns Prequel" #3.