Charlie's driver license indicated that he has no middle name. But in Soft Target (2005)(#2.6) it's revealed to be Edward.
The fleeing ambulance plows into the side of a taxi cab and is launched into the air where flips end over end defying all the laws of Physics. In reality the ambulance would T-bone the cab and might roll over but it would not fly over the cab unless the stunt coordinator had a ramp in place to launch it, a common tactic used to make accidents more spectacular.
Charlie Eppes misspells his own name on his driver's license. His signature reads "Epps." Additionally, the character's full name would appear on his license (Charles Eppes, not Charlie)