Koga's Ditto - Challenge from the Darkness

Koga's Ditto - Gym Challenge - #10

Koga's Ekans - Challenge from the Darkness

Koga's Ekans - Gym Challenge - #77

Koga's Forretress - VS - #080

Koga's Golbat - Challenge from the Darkness

Koga's Golbat - Gym Challenge - #46

Koga's Grimer - Challenge from the Darkness

Koga's Grimer - Gym Challenge - #78

Koga's Kakuna - Challenge from the Darkness

Koga's Kakuna - Gym Challenge - #47

Koga's Koffing - Challenge from the Darkness

Koga's Koffing - Gym Challenge - #48

Koga's Koffing - Gym Challenge - #79

Koga's Muk - Challenge from the Darkness

Koga's Muk - Gym Challenge - #26

Koga's Ninja Trick - Challenge from the Darkness

Koga's Ninja Trick - Gym Challenge - #115

Koga's Pidgeotto - Challenge from the Darkness

Koga's Pidgeotto - Gym Challenge - #27

Koga's Pidgey (LV. 15) - Challenge from the Darkness

Koga's Pidgey (LV. 9) - Challenge from the Darkness

Koga's Pidgey - Gym Challenge - #49