Weather Pachirisu

Hey guys, this works best In-Game, but you can also use it in NU or UU. This set takes advantage of Pachirisu's average defenses and great speed. Alright here we go!

Rain Dance or U-Turn if you don't plan on using weather.
Discharge
Super Fang
Sweet Kiss

It can inflict multiple types of status and hit hard with Super Fang. Should be good in-game, and also work in lower tiers too. Personal experience: Usually lasts long enough to get off the Super Fang and Weather.