i hav a vaporeon called flufty on lv 68 on fire red whos good, and a swampert called quipper on lv 100 on sapphire. i like them best coz they're cute and good.
flufty: body slam, hydro pump, waterfall, surf.
quipper: earthquake, muddy water, ice beam, blizzard.
mudkip's my favourite ever water pokemon.