Professor Kukui

Professor Kukui is an friend of Ash Ketchup and the teacher of his class in Pokémon Sun and Moon Abridged.

Characteristics
Professor Kukui is usually seen wearing a full length lab coat that he leaves open over his bear chest. He also sports a baseball style cap, visor sunglasses, shorts, and green shoes. He seems very friendly, and will often do his best to please those around him, even if sometimes his suggestions are a bit mediocre.

Pokémon Sun and Moon Abridged
Professor serves two major roles in the Alola region. The first is as the teacher of a hands-on sex ed class that Ash and his friends are enrolled in. The second is as a member of some type of secret spy agency, and he frequently disappears while he goes on missions for this agency.