I'll give a few:
Crystal: Alakazam lv100-Thunderwave,Psychic,Recover,Shadowball (XD)
Steelix lv100-Curse,Earthquake,DoubleEdge,Rockslide
Oldies but goodies and there still around and kicking.
Diamond:Mismagius lv55-Calm Mind,Shadowball,Thunderbolt,Pain Split
Umbreon lv45 -Wish, Baton Pass,Mean Look(soon), Toxic
Those are my top 2 favourites and my other 2 soon to be favourites. I love training my favourites and take a while to get em to lv100.
^^