Ren’s Bitter Half” is the fifteenth episode of Season 3 of The Ren & Stimpy Show, and aired on June 4, 1994.


  • Ren
    • Indifferent Ren (debut)
    • Evil Ren (debut)
      • Hideously Evil Ren (debut)
  • Stimpy


Stimpy’s new genetic formula (Xb49) physically splits Ren into his two opposite halves of his personality: “Evil Ren” and (surprisingly) “Indifferent Ren”.