For you in PVE, what's the best pet, the best AA slotted and the best Happiness slotted?

And, for you in PVP, what's the best pet, the best AA slotted and the best Happiness slotted?

Personnally I'd say Heroic Samael with Guenivere AA and Arcanite Shoggoth for PvP, but I don't know about Pve, if you have any ideas..