My current OU team has an "evil" theme. All its members can learn Dark Pulse: Porygon-Z, Heatran, Gyarados, Dusknoir, Weavile, and Gliscor.
I have a UU team based on Japanese folklore: Ninetales, Froslass, Dunsparce, Whiscash, Shiftry, and Mawile.
And another UU team, this time built around...