Ability · Gen 9 · 6 Pokémon
Commander
If ally is Dondozo: this Pokemon cannot act or be hit, +2 to all Dondozo's stats.
If this Pokemon is a Tatsugiri and a Dondozo is an active ally, this Pokemon goes into the Dondozo's mouth. The Dondozo has its Attack, Special Attack, Speed, Defense, and Special Defense raised by 2 stages. During the effect, the Dondozo cannot be switched out, this Pokemon cannot select an action, and attacks targeted at this Pokemon will be avoided but it will still take indirect damage. If this Pokemon faints during the effect, a Pokemon can be switched in as a replacement but the Dondozo remains unable to be switched out. If the Dondozo faints during the effect, this Pokemon regains the ability to select an action.
Commander was introduced in Generation 9. 6 Pokémon and forms can have it.
Best Pokémon with Commander
Ranked by usage in public Pokémon Showdown battles (Champions VGC first, then National Dex OU, SV OU and Champions Singles), with how many of each Pokémon's sets actually run Commander.
Pokémon with Commander
As a regular ability (6)
Tatsugiri-Droopy
Tatsugiri-StretchyCommander FAQ
What does Commander do?
If this Pokemon is a Tatsugiri and a Dondozo is an active ally, this Pokemon goes into the Dondozo's mouth. The Dondozo has its Attack, Special Attack, Speed, Defense, and Special Defense raised by 2 stages. During the effect, the Dondozo cannot be switched out, this Pokemon cannot select an action, and attacks targeted at this Pokemon will be avoided but it will still take indirect damage. If this Pokemon faints during the effect, a Pokemon can be switched in as a replacement but the Dondozo remains unable to be switched out. If the Dondozo faints during the effect, this Pokemon regains the ability to select an action.
Which Pokémon have Commander?
6 Pokémon and forms can have Commander: Tatsugiri, Tatsugiri-Droopy, Tatsugiri-Stretchy, Tatsugiri-Curly-Mega, Tatsugiri-Droopy-Mega and Tatsugiri-Stretchy-Mega.
What are the best Pokémon with Commander?
By competitive usage, the most used Pokémon that can have Commander are Tatsugiri (#257 in SV OU).
Effect text from Pokémon Showdown (MIT); which Pokémon have it from Showdown's Pokédex, cross-checked against PokéAPI. Unofficial fan site.