As a Psychic/Fairy type, Mime Jr. has 3 weaknesses, 2 resistances and 1 immunity, about the same as the average Pokémon's 3.3 weaknesses. 9 other Pokémon share the Psychic/Fairy typing.

Base stats

HP: 20
Attack: 25
Defense: 45
Sp. Atk: 70
Sp. Def: 90
Speed: 60
Total: 310

Mime Jr. has a base stat total of 310, higher than 18% of Pokémon. Its best stat is Sp. Def (90). With Sp. Atk (70) well above Attack (25), it works best as a special attacker. At 60 Speed it is slower than most Pokémon, which suits Trick Room teams. With 20 HP, 45 Defense and 90 Sp. Def it is frail and holds up better against special hits.

Mime Jr. can have the abilities Soundproof, Filter and Technician.

How to beat Mime Jr.

Mime Jr. takes 2× damage from Poison, Ghost and Steel moves, so lead with those.

Avoid relying on attacks it shrugs off: Dragon moves have no effect on it and Fighting and Psychic moves are resisted.

Good counters: Crowned Zacian hits for 2× with Steel-type STAB and resists its Psychic and Fairy moves. Solgaleo hits for 2× with Steel-type STAB and resists its Psychic and Fairy moves. Dusk Necrozma hits for 2× with Steel-type STAB and resists its Psychic and Fairy moves.