Cologne

Arc: Flat
Cologne is a character in "Ranma 1/2" and is the great-grandmother of the amazon Shampoo. Despite being small of statue of her age, she is a martial arts expert being the leader of the Chinese Amazons and has loads of techniques under her disposure.
She goes by "Great Grandma" by fans and Ranma chooses to call her "Old Ghoul". One of the few people that can best her is the lecherous martial artist Happosai and the two seem to have a past together. She has taught Ranma and Ryoga attacks in the series though nothing to her grandchild except regular fighting skills.
Lore: She will be running the Cate Cafe with her great-granddaughter and Mousse. Colonge will also be an Observer to what goes on in the world with some other characters.