The entire Griffin family has gone through quite a few changes as the series has progressed, going from immature jerks to emotionally unbalanced lunatics. Stewie, however, has gone through the most changes.

He ended up progressing backwards and has became less evil. The most evil plan he successfully pulled off was to trap a group of toddlers in a secret pit because they had displeased him. He called it "The Club of Forgotten Children" and they all presumably starved to death. Stewie would norm