The fastest man alive. Possibly has ADHD, but this is undiagnosed, and really quite understandable. If your thought process moved as fast as his did, you'd get distracted easily, too.

Not incredibly intelligent, but smart enough to be a forensic scientist at the Central City Police Department.

Has a hyper-accelerated metabolism, so eats a lot.

Comic relief character, but has his share of badass moments, too. Sometimes referred to as the "conscience" of the Justice League.