This Raticate belongs to the school kid.
The school kid used Raticate to fight Chikorita, using Quick Attack and Hyper Fang against her. When Ash was to replace Chikorita with Pikachu, Chikorita disobeyed, so the kid called Raitcate back, since he did not have all day.
|Hyper Fang||Chikorita's Big Upset|
|Quick Attack||Chikorita's Big Upset|
|+ indicates this Pokémon used this move recently.*|
- indicates this Pokémon normally can't use this move.