Warcraft 3's box:
WOTLK:
BFA:
With every iteration they stray further away from god. Apart from the blonde hair, the guy is looking less and less to his original self every time.
Jaina too, I have to say that in WC3 they didnt' have much to base her on, but from pre-BC to Legion she kept a pretty evolutionary look, in BFA her eyes and face shape have changed rather drastically.