I'm trying to cover all of it's weaknesses, so far I have crunch, screech, headbutt, and glare. I want to replace glare. And if you can tell me where I can get the HM/TM or where to buy it.
The only Water moves he learns are Rain Dance and Aqua Tail.
Rain Dance: TM18 (Slowpoke Well, Pokéwalker (Dim Cave)
Aqua Tail: Frontier Tutor (40 BP)