Entei

Like many Fire-types, Entei is a Pokemon that boasts great all-around stats but has them distributed rather poorly. The fact that its movepool is horrible doesn't help it either. Even with its access to Extreme Speed, Entei still faces tough competition from Arcanine. However, while Entei appears to be shallow, it still can fill niches that no other Pokemon can. It is the only Pokemon in UU outside of Dunsparce and Drifblim that can set up 101 HP Substitutes and use Calm Mind, making it a deadly special sweeper, while its access to Stone Edge differentiates Entei from Arcanine as a physical attacker.