Wilma

Wilma, or Grandma Wilma (Japanese: タツばあさん Grandma Tatsu), is a Move Tutor in. She lives on the northern, foggy stretch of in the first three games while she lives in Blackthorn City in the latter two.

In Pokémon Diamond, Pearl, and Platinum, she mentions that she used to live in a famous city of s until she moved to Sinnoh, and due to this, she is able to teach the move to the player's  Pokémon if its friendship is maxed out.

In the anime
Wilma appeared as a character of the day in A Meteoric Rise to Excellence!. and met up with her on witnessing her teach an  the attack. She explained that s leave their Pokémon with her so that she can teach them Draco Meteor, and Altaria is one of the Pokémon she is training.

Later, a Gible that Wilma knew showed up and she explained that it shows up frequently. Ash and his friends helped her rescue Altaria from and she later showed them the way to Daybreak Town.

Names
Oma Ma Ela Mamie Bertille Elmira タツばあさん 龍婆婆