Rondo is the deuteragonist of Allegra's Window.
Rondo is Allegra's older brother. He is in the first grade, and acts as a role model for his sister. Though he often tries to act as if he is superior to her, he truly cares for Allegra and will do anything to protect her.
Rondo has pink skin and small, black eyes. His hair is red.
Rondo appears in many episodes of Allegra's Window. He debuted in "My First Day at Daycare" and was last seen in "Mr. Cook's Christmas."