Blossom is the leader of the Powerpuff Girls in the original The Powerpuff Girls series.
Blossom is one of the three sisters created by Professor Utonium, alongside Bubbles and Buttercup. The series presents her as organized, responsible, and often focused on planning the team’s response to threats in Townsville.
Her leadership does not mean she is separated from the other girls. The trio generally works as a unit, and each sister contributes a different personality and set of strengths. Blossom’s role is mainly a matter of team identity and decision-making.
Viewers sometimes confuse leadership with age because the girls are sisters of the same creation event. The show’s character design and dialogue identify Blossom as the leader, while Bubbles is commonly associated with gentleness and Buttercup with toughness.