Ratz

Everything About Fiction You Never Wanted to Know.

Ratz is a 2003 Franco-Canadian animated series.

Two rats, Rapido and Razmo, are stowaways on the S.S. Wanderer, a cargo ship transporting a huge amount of Gouda cheese. When they're not dealing with the current crisis (often due to themselves, the crew or temporary passengers/cargo), they race throughout the ship using "ratboards", makeshift flying racecars.

Tropes used in Ratz include: