Lorelei

''"Welcome to Pokémon League! I am Lorelei of the Elite Four! No one can best me when it comes to icy Pokémon! Freezing moves are powerful! Your Pokémon will be at my mercy when they are frozen solid! Hahaha! Are you ready?"-Lorelei,Pokemon Red, Blue and Yellow. '' Lorelei (originally LORELAI in Red, Blue, and Yellow) is the 1st Elite Four member in the Kanto region. She specializes in -type Pokemon. Her Strongest Pokemon is her Lapras, which was probably obtained at Four Island. She also lives at Four Island and she is known to have a large assortment of dolls.

In the anime
Lorelei appeared in the anime under the name of Prima and was a minor character and a Pokémon trainer who made her debut in episode 101: "The Mandarin Island Miss-Match". Like her game counterpart, she specialized in Ice and Water-type Pokemon. She lives on the Southern Mandarin Island, where she trains during the off season. She is a member of the Elite Four and Misty saw her as her personal hero. Ash learned many things from Prima and from the battle he lost to her, including that battles aren’t just about winning. She used a Slowbro, a Dewgong, a Cloyster and a Jynx to battle.

FireRed and LeafGreen
Rematch

Pokemon Stadium
Gym Leader Castle Gym Leader Castle Round 2

In the anime
She Only Appeared In The Mandarin Island Miss Match!.