Nico

Nico is Thomas’s best friend. He was first in the pilot episode was mostly just the slapstick character of the show, until season 4 when he joined Thomas on his Journeys throughout the stars. Nico surprisingly has a girlfriend named Isabell, who is known to be the worst character in the show. Nico is more of diva and loves to do his little shenanigans. But no matter what happens Nico will always got Thomas back.