|Debut:||Bubble Bubble Toil and Azumarill II|
|Caught where:||Littleroot Town|
|Current location:||With Sapphire|
Troppy was revealed to be one of Professor Birch's Pokémon that he uses during his fieldwork. It usually hides away near Fortree City when not in use and joins Sapphire's team after she uses it to help Flannery thwart Team Aqua's plans.
|Fly||Assaulted by Pelipper I|
|Razor Leaf||Assaulted by Pelipper I|
|Magical Leaf||Assaulted by Pelipper I|
|Solar Beam||Mixing It Up with Magcargo|
|Aerial Ace||Master Class with Masquerain|
|+ indicates this Pokémon used this move recently.*|
- indicates this Pokémon normally can't use this move.
In the Chuang Yi translation, Troppy was known as Pilo.