Well, without more specific information, it's a bit difficult to be very detailed. But generally, if we consider the 'Warbird' as a military plane. The three heroes in two wars could be those who fought bravely. Maybe in the first war, they were just young recruits learning to handle the Warbird, and by the second war, they had become skilled and were leading important operations. Their story could be about how they grew, fought, and left a mark in the history of those wars.
The three heroes could be pilots. Their role in the two wars related to the Warbird might be to fly it in combat missions. They could be responsible for attacking enemy positions, protecting their own troops, or gathering intelligence.
The internet is the way to go for funny cartoons. You can find all kinds of styles and themes, and it's easy to search for exactly what makes you laugh. The library, on the other hand, has limited options and might not have the latest and most popular ones.
A cute cartoon whale vector usually has big eyes, a friendly smile, and maybe some colorful patterns or accessories. It's often drawn with smooth lines and a soft color palette.