You could name him Leveret, Its a french male name meaning young rabbit
Turner, An english name meaning Hare
Hyacinthus, A greek name that is also a flower.
Chester
Frank
Peter
Daniel
Jimmy
Johnny
Baker
Carrot
Lil' Jimmy
Connor
Duffy
Fudge
Ramen (or RAY-men)
Ralph
Luigi (there can be more than one...)
Samuel
Sam
Sammy
Doug
Douglas
Peterson
Pete
Petey
Ok i'm done now. :3