Tandemaus (#0924) – Stats, Moves, Evolution & Competitive Sets

Base stats

HP50110–157210–304

Atk5049–11294–218

Def4545–10685–207

SpA4040–10176–196

SpD4545–10685–207

Spe7572–139139–273

Total305Higher than 17% of all Pokémon

Ranges: 0 IV/EV with a hindering nature to 31 IV/252 EV with a helpful nature. EV yield: 1 Spe.

Stat calculatorChampions Stat Points & Stat Alignment, or EVs, IVs & nature

Speed tiers

Speed at Lv 50 in Pokémon Champions (base 75). Scarf and Tailwind use the Max+ value.

Max+139Max127No SP95Min85Scarf208Tailwind278

At max Speed, Tandemaus outspeeds 13 of the 30 most used Pokémon in Champions VGC.

Others at their most common Speed investment in Champions VGC (Reg M-C · Doubles, Sep 2026); Pokémon holding a Mega Stone are shown as their Mega.

Type matchups

Weak to

Fighting2×

Immune to

Ghost0×

Takes normal damage from 16 types

NormalFlyingPoisonGroundRockBugSteelFireWaterGrassElectricPsychicIceDragonDarkFairy

Abilities

Run Away
Ensures success fleeing from wild battles.
Pickup
Picks up other Pokémon's used and Flung held items. May also pick up an item after battle.
Own TempoHidden ability
Prevents confusion.

Competitive

SV SinglesLC

Not used in the tracked Showdown formats this month.

Evolution

#0924TandemausNormal
1. Level 25#0925MausholdNormal

Moves

Game Sort Type

Level up 14

1Baby-Doll EyesLowers the target’s Attack by one stage.FairyStatus—100%30

1PoundInflicts regular damage with no additional effect.NormalPhys40100%35

5Echoed VoicePower increases by 100% for each consecutive use by any friendly Pokémon, to a maximum of 200.NormalSpec40100%15

8Helping HandAlly’s next move inflicts half more damage.NormalStatus——20

11Super FangInflicts damage equal to half the target’s HP.NormalPhys—90%10

14Double HitHits twice in one turn.NormalPhys3590%10

18Bullet SeedHits 2-5 times in one turn.GrassPhys25100%30

22EncoreForces the target to repeat its last used move every turn for 2 to 6 turns.NormalStatus—100%5

26Play RoughHas a 10% chance to lower the target’s Attack by one stage.FairyPhys9090%10

30Hyper VoiceInflicts regular damage with no additional effect.NormalSpec90100%10

33CharmLowers the target’s Attack by two stages.FairyStatus—100%20

37Beat UpHits once for every conscious Pokémon the trainer has.DarkPhys—100%10

41CopycatUses the target’s last used move.NormalStatus——20

46Population BombThe user’s fellows gather in droves to perform a combo attack that hits the target one to ten times in a row.NormalPhys2090%10

TM / HM / TR 37

TM01Take DownUser receives 1/4 the damage it inflicts in recoil.NormalPhys9085%20

TM02CharmLowers the target’s Attack by two stages.FairyStatus—100%20

TM03Fake TearsLowers the target’s Special Defense by two stages.DarkStatus—100%20

TM04AgilityRaises the user’s Speed by two stages.PsychicStatus——30

TM05Mud-SlapHas a 100% chance to lower the target’s accuracy by one stage.GroundSpec20100%10

TM07ProtectPrevents any moves from hitting the user this turn.NormalStatus——10

TM11Water PulseHas a 20% chance to confuse the target.WaterSpec60100%20

TM12Low KickInflicts more damage to heavier targets, with a maximum of 120 power.FightingPhys—100%20

TM18ThiefTakes the target’s item.DarkPhys60100%25

TM25FacadePower doubles if user is burned, paralyzed, or poisoned.NormalPhys70100%20

TM27Aerial AceNever misses.FlyingPhys60—20

TM32SwiftNever misses.NormalSpec60—20

TM35Mud ShotHas a 100% chance to lower the target’s Speed by one stage.GroundSpec5595%15

TM39Low SweepLowers the target’s Speed by one stage.FightingPhys65100%20

TM47EndurePrevents the user’s HP from lowering below 1 this turn.NormalStatus——10

TM49Sunny DayChanges the weather to sunny for five turns.FireStatus——5

TM50Rain DanceChanges the weather to rain for five turns.WaterStatus——5

TM55DigUser digs underground, dodging all attacks, and hits next turn.GroundPhys80100%10

TM56Bullet SeedHits 2-5 times in one turn.GrassPhys25100%30

TM60U-turnUser must switch out after attacking.BugPhys70100%20

TM61Shadow ClawHas an increased chance for a critical hit.GhostPhys70100%15

TM70Sleep TalkRandomly uses one of the user’s other three moves. Only works if the user is sleeping.NormalStatus——10

TM71Seed BombInflicts regular damage with no additional effect.GrassPhys80100%15

TM81Grass KnotInflicts more damage to heavier targets, with a maximum of 120 power.GrassSpec—100%20

TM82Thunder WaveParalyzes the target.ElectricStatus—90%20

TM85RestUser sleeps for two turns, completely healing itself.PsychicStatus——5

TM87TauntFor the next few turns, the target can only use damaging moves.DarkStatus—100%20

TM103SubstituteTransfers 1/4 of the user’s max HP into a doll, protecting the user from further damage or status changes until it breaks.NormalStatus——10

TM108CrunchHas a 20% chance to lower the target’s Defense by one stage.DarkPhys80100%15

TM117Hyper VoiceInflicts regular damage with no additional effect.NormalSpec90100%10

TM122EncoreForces the target to repeat its last used move every turn for 2 to 6 turns.NormalStatus—100%5

TM127Play RoughHas a 10% chance to lower the target’s Attack by one stage.FairyPhys9090%10

TM130Helping HandAlly’s next move inflicts half more damage.NormalStatus——20

TM132Baton PassAllows the trainer to switch out the user and pass effects along to its replacement.NormalStatus——40

TM171Tera BlastIf the user has Terastallized, it unleashes energy of its Tera Type. This move inflicts damage using the Attack or Sp. Atk stat—whichever is higher for the user.NormalSpec80100%10

TM183Super FangInflicts damage equal to half the target’s HP.NormalPhys—90%10

TM204Double-EdgeUser receives 1/3 the damage inflicted in recoil.NormalPhys120100%15

Egg moves 6

EggAfter YouMakes the target act next this turn.NormalStatus——15

EggBaton PassAllows the trainer to switch out the user and pass effects along to its replacement.NormalStatus——40

EggBiteHas a 30% chance to make the target flinch.DarkPhys60100%25

EggFeintHits through Protect and Detect.NormalPhys30100%10

EggSwitcherooUser and target swap items.DarkStatus—100%10

EggTickleLowers the target’s Attack and Defense by one stage.NormalStatus—100%20

Pokédex entries

Category: Couple Pokémon
Debut: Paldea · Scarlet & Violet
Color: White
Shape
Habitat: —

Paldea#071Kitakami#097

The pair sticks together no matter what. They split any food they find exactly in half and then eat it together.
Violet
Exhibiting great teamwork, they use their incisors to cut pieces out of any material that might be useful for a nest, then make off with them.
Scarlet

Names around the world

Japanese: ワッカネズミ
Japanese (romaji): Wakkanezumi
Korean: 두리쥐
Chinese (Traditional): 一對鼠
Chinese (Simplified): 一对鼠
French: Compagnol
German: Zwieps
Spanish: Tandemaus
Italian: Tandemaus

Sprites

Tap any sprite to show it on the Pokédex above. ▶ marks official animations; Gen VIII–IX models are large, so they load only when you tap them.

Official artwork

3D models

Generation IX · animated models

Training

EV yield: 1 Spe
Catch rate: 150 ≈19.6% with a Poké Ball at full HP
Base friendship: 50
Base experience: 61
Growth rate: Fast

Breeding

Egg groups: FieldFairy
Gender: Genderless
Hatch time: 10 egg cycles ≈2,805 steps (Gen IV–VII)

Where to find

No wild encounter data. It may be obtained by evolving, trading, events, or in newer games (location data is most complete for Gen I–VII).