>>53676133Pokémon that learn U-turn include:
Pelipper (Base Speed 65), Vespiquen (40), Clawitzer (59), Type: Null (59), Perrserker (50), Farfetch'd (60). None of which are nimble or acrobatic.
Knock off is learned by several slow, lumbering and otherwise 'unsuitable' Pokémon like Pelipper, Shuckle and many Grass types, which apparently used it because they have vines and such.