Conversation so far:
when does leo come out as a whitelighter
Leo comes out as Whitelighter in the Charmed  episode Blinded by the Whitelighter.
what is a whitelighter
A whitelighter is a guardian angel and mentor in all things magical
what did leo do as a whitelighter in Charmed
Leo was a guardian angel to the three sisters as they grew in their power.
what were leo's powers as a whitelighter
As a Whitelighter and later an Elder, Leo had the ability to orb from place to place. He could also sense his charges.

Question: what other species was the character
Self-contained rewrite: what other species was Leo besides a whitelighter