Question: what is the best pokemon in pokemon red?
Answer: Mewtwo. In Pokemon Red and Blue, Mewtwo was absolutely unstoppable.
Starmie. Starmie is the other of the two non-legendary Pokemon that has remained a constant threat since the dawn of Pokemon. ... 
Gengar. ... 
Cloyster. ... 
Tentacruel. ... 
Gyarados. ... 
Dragonite. ... 
Vaporeon. ...