Stamp request: They aren't the only villains

Even if I really like Mojo and Him (NOT so much the RRB- I'd rather them remain 1 time villians. They're the Sasuke/Sephiroth of the PPG fandom but have more to do with shipping with the main heroines than being paired with OCs.), I also love the PPunk girls (comic exclusives), The Gangreen Gang (All of them, not just Ace) and especially Sedusa, she's SO underused. 
Even the episodic villians like Abra Cadaver are awesome. 

Heck if I had a chance to bring back one of the villains instead of the RRB in seasons 5 and 6, I'd pick the White Kitty (from Cat Man Do) or Abra Cadaver.