|This article uses the localized English version of the character’s name as the title. However, their original name will be featured in parentheses in the infobox’s title.|
Mark (Mario in Italian) is a young boy who is one of Kate’s classmates. He is known to love playing video games, and would rather do that over playing outside with his classmates.
A robin named Robbie is chosen to show him that the outdoors can be just as fun.