Rotom Drone in anime
The Rotom Drone (ロトムドローン Rotom Drone) is a yellow drone with a Rotom inhabiting it. It appears to be able to project a scoreboard.
In the games
In Pokémon Sword and Shield, the Rotom Drone appears in the background hoving around the battlefield to record Gym battles and all battles taking place in Wyndon Stadium.
In the anime
Main article: Rotom Drone (anime)
A Rotom Drone first appeared in SS018, refereeing the battle between Ash Ketchum and Visquez.