Although Terrell wears a Groudon costume, he does not use the namesake Pokémon in battles as Terrell uses mainly Fire- and Dragon-type Pokemon which Groudon is not until Generation VI when it can become Ground/Fire.
* In [[Pokémon XD: Gale of Darkness]], the character [[Chobin]] operates a [[Robo Groudon]] after the [[Michael|player]] defeats him for the third time.
* Although Groudon is genderless in the [[core series]] games, it is referred to as a male in [[Pokémon Mystery Dungeon: Explorers of Time and Explorers of Darkness]].
* A Groudon [[Pokémon cosplay|costume]] is worn by [[Terrell]] in [[Pokémon Battle Revolution]].
* In its early design, Groudon's eyes were shaped differently, with the positioning of the spikes on its body being slightly different. Its head details became much more elongated in the final version, and the weather trio's signature body patterns are not present.