Is there any Pokemon which gets the ability prankster and move roar or whirlwind?

Question

If so will it get +piority

Answer 1

Riolu

Prankster + Roar. Be aware that Roar will simply go from -6 to -5 with Prankster, it will not become +1. Until Generation 5 though, it was possible by using Roar via Copycat though.