His last name is Leonard.
Lenny Leonard
Do you mean Lenny, from The Simpsons? I don't thinks hes got one....
Leonard.
Lenny voiced by Harry ShearerCarl voiced by Hank Azaria
Lenny Lennard
Prince.
Nahasapeemapetilon
Leonard.
Spuckler.
Zzyzwicz
Starbeam
Mackleberry