Diana

Diana is a recurring character which was introduced for the first time in. She is known to be a Pokémon trainer who once attempted to participate in Kanto League.

Kanto Journey - Part Red & Green
As Diana stated in, Diana set off a journey across Kanto to compete in Kanto League in the past, around 6 years before that day. Although her starter Pokémon, or any of her Pokémon on her team except is revealed, she is known to catch a couple of Pokémon throughout her journey. However, before the season was over, she managed to collect only seven badges instead of eight. Therefore, she did not get to compete in the League, and returned home with her trained Pokémon in the end. Her Pokémon were mad at her because of the big disappointment, but over the time all of her Pokémon forgive her, except Foudre. When the next season began, Diana did not take her time to collect one more badge, but instead she decided to study and graduate from the university. After her education, she began to work at a café in Pewter City. Her Pokémon forgive her, but her Pikachu, nicknamed Foudre, could never get over the fact that she missed a chance to battle in the League along with her trainer. Therefore, she stopped talking to anyone including her trainer, and she began to spend all her days in the café, leaving there not at all.

When visited the café, Foudre caught her attention immediately. Although Greta asked questions about Foudre, Diana refused to listen to her. But Greta insisted on Foudre, which made Diana offer Greta a meeting in the evening. When they met, Diana explained everything to Greta. As a response to that, Greta asked Diana to give Foudre to another trainer, even if it is temporarly, and let her compete in the League, otherwise she would abandon her trainer for good. Diana responded with rage at it, and kicked Greta out. But the next day, she came to her senses and offered Greta to accompany Foudre until she is done with her journey, with the promise of returning Foudre at the end. As Greta accepted her offer, Diana said goodbye to her Pokémon.

Personality
Diana has a tendency on her Pokémon. She easily gets attracted to them, and considers leaving them always a hard task. Therefore, when Greta claimed that if Foudre felt more depressed, she would leave her eventually, Diana suddenly expressed a rage attack at Greta, as kicking them out of the café and never listening to what she would say. But when she is calm, she is able to think straight, like the time when she decided to let Foudre go along with Diana for a year and so to let Foudre calm her mind and get better.

Pokémon
As it was stated by herself, Foudre caught several Pokémon while she was on a journey. Although none of her other Pokémon was specified, all known is that is one of the first Pokémon she caught at the time.