Derived from:
diver
1: a person that dives
2: a person who stays underwater for long periods by having air supplied from the surface or by carrying a supply of compressed air
marv: a shortened version of Marvin
1: Mariner Teutonic
2: Lives by the Sea Celtic
3: Friend of the Sea English
4: Famous Friend English
5: Calm Sea (Mamlin, Mervyn) English
divermarv
1: an interesting individual with whom you really should be friends