Mosquito Milk is a motorcycle gang that appears in the chapter "Riders at Dawn". They are the rivals of the Fly Milk gang, as both gangs deliver milk in Penguin Village. They confront their rivals by playing at several different games instead of actually fighting.
- Latinamerican dub:
- ¿? (leader).
- José Gilberto Vilchis (Beared guy)
- Víctor Ugarte (Mosquito).