Amphy is an Ampharos who lives in Olivine City that serves as a light source for the Glitter Lighthouse. It appears to be Jasmine's and she cares for it at the top of the lighthouse.
In the anime
Amphy is in the anime. It was named "Sparkle".
In the games
In Generation II and IV, you have to heal Amphy. This requires a Secret Potion (from Cianwood City). Template:Anime-stub