Agatha Towerkeeper is the Ghost type trainer who is part of the Indigo League Elite Four..
Character info--
Surname origin: "Towerkeeper" is an occupational surname of Kantonian origin, denoting people who worked as undertakers and custodians of the Pokémon Tower--an ancient burial ground in Lavender, Kanto.
Age: 71
Place of birth: Lavender, Kanto
Pokémon (as of Part Seven)--
None met so far.