Nidoran (Greta Parker)

Nidoran is the first Pokémon Greta Parker obtained in Pocket Monsters. Before Nidoran was given to her, she used to live in Professor Oak's laboratory.

Kanto Journey - The Beginning
Nidoran debuted in when she was given to Greta during the summer camp. Altough Greta was nervous while she met Nidoran, Greta hid her feelings towards her and instead she appeared to be quite calm and friendly. However, Nidoran still felt strange around her the first time she saw her.