Female: Avian, Raven, Shade.
Male: Shadow, Boss, Hocus.
depends on the game. prior to 4th generation: murkrow isn't good at all, maybe mediocre. but at 4th gen it gained an evolution: honchkrow. an he's a beast at anything. murkrow evolves with a dusk stone.
Some good nicknames for Julia could be Jules, Julie, or Lia.
Zoey
Cici
Derpfish
Clairbear
Some good nicknames for Gabbie could be Gab, Gabs, or Gabbster.
Some good nicknames for Liam could be Lee, L, or even M.
Liz or Lizzy
little bay
"K".
Barb or barbie