Switch : Old Back [PMCG-GYM1] (Pokemon Gym Volume 1 "Pewter City Gym Brock")

Brock's Sandshrew LV.13 : Old Back [PMCG-GYM1 No.027] (Pokemon Gym Volume 1 "Pewter City Gym Brock")

Brock's Sandslash LV.26 : Old Back [PMCG-GYM1 No.028] (Pokemon Gym Volume 1 "Pewter City Gym Brock")

Brock's Vulpix LV.10 : Old Back [PMCG-GYM1 No.037] (Pokemon Gym Volume 1 "Pewter City Gym Brock")

Brock's Zubat LV.5 : Old Back [PMCG-GYM1 No.041] (Pokemon Gym Volume 1 "Pewter City Gym Brock")

Misty's Psyduck LV.15 : Old Back [PMCG-GYM1 No.054] (Pokemon Gym Volume 1 "Cerulean City Gym Misty")

Brock's Mankey LV.10 : Old Back [PMCG-GYM1 No.056] (Pokemon Gym Volume 1 "Pewter City Gym Brock")

Misty's Poliwag LV.15 : Old Back [PMCG-GYM1 No.060] (Pokemon Gym Volume 1 "Cerulean City Gym Misty")

Misty's Tentacool LV.12 : Old Back [PMCG-GYM1 No.072] (Pokemon Gym Volume 1 "Cerulean City Gym Misty")