Tulip Olsen

Tulip Olsen is the main protagonist of Infinity Train Book One. She is 12 years old in the show’s pilot, and in the series she is 13 years old. Tulip is a former passenger on the Infinity Train, searching for a way home with One-One and Atticus, until the Season One finale episode "The Engine," where she returns back home after bidding her friends farewell.