#150 Mewtwo used Psycho Cut and Thunderbolt!
Mewtwo used Psycho Cut by Edo–sama
Mewtwo used Thunderbolt by Kenisu-of-Dragons
Thunderbolt is an damage-dealing Electric-type move which could be used by many non-electric-type Pokémon as well. It has a 10% chance of paralyzing the opponent. It the Gen II-V Games it was able to paralyze even electric-type Pokémon but this was changed in Gen VI.
Over 100 Pokémon can learn this move so far. Ash, the main protagonist from the Pokémon Anime series mentioned once that the Thunderbolt is his favourite move.