Generation Iii
Suction Cups
Firmly anchors the body.
Detailed Effect
This Pokémon cannot be forced out of battle by moves such as Whirlwind. Dragon Tail and Circle Throw still inflict damage against this Pokémon. Overworld: If the lead Pokémon has this ability, the success rate while fishing is increased.
Pokémon With Suction Cups
5 canonical Pokémon forms can have this Ability.

Octillery 
Lileep
Cradily
Inkay
Malamar