Question: what is the strongest pokemon in pokemon sun?
Answer: Toucannon. ... 
Bewear. ... 
Vikavolt. ... 
Lycanroc (Midnight Form) ... 
Palossand. ... 
Golisopod. ... 
Metagross. Metagross is a Steel/Psychic Pokémon that has strong defenses against just about everything. ... 
Kommo-o. A lot of these Pokémon are beasts you can acquire fairly early in the game with only a modicum of hassle.