After evolving, Brock's Marshtomp became a strong Pokémon often used to settle feuds or just in simple battle. Marshtomp is a well mannered Pokémon which takes after its trainer a little bit in regards to romance. Brock notably used Marshtomp in a Pokémon Contest against May. Brock's Marshtomp debuted in "A Chip Off the Old Brock".
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|Water Gun||A Mudkip Mission|
|Mud Shot||A Chip Off The Old Brock|
|Protect||What I Did For Love!|
|Tackle||What I Did For Love!|
|+ indicates this Pokémon used this move recently.*|
- indicates this Pokémon normally can't use this move.
- Brock's Marshtomp is the only Hoenn Starter Pokémon that isn't voiced by Darren Dunstan and later Bill Rogers in its first stage evolution.
- Marshtomp is the only starter Pokémon owned by Brock.