Petrol (voiced by Michael Adamthwaite) is an orange fire engine from Scotland who is sometimes afraid but manages to find the courage inside himself. According to his song "I'm Petrol the Fire Truck", he came before Crabby and Red did.
There are roughly one-sh*t billion tropes so PLEASE look through them before adding one. Otherwise add what you like. ADDITION: PLEASE read through the trope description provided before submitting something. It's not a huge deal but too often people submit characters that don't fit just because they misinterpreted the title...
