Yes, there were a bunch of them.
Major William Earle Molesworth was a British World War I flying ace credited with 18 aerial victories.
The first US flying ace in WW I was Eddie Rickenbacker.
"Snoopy Flying Ace" is an action video game released in 2009. It is based on the popular Peanuts comic strip character Snoopy and his imaginary adventures as a World War I flying ace.
Billy Bishop
The plane flown by flying ace Billy Bishop in World War 1 was the Nieuport 17 and S.E.5a's also known as "The Lone Walk". He was awarded the Distinguished Flying Cross for scoring 25 kills in 12 days as a leader of the "Flying Foxes".
Baron von Richtofen AKA The Red Baron
I know Red Baron was Germany's flying ace. I'm not sure if it's a pizza though.
yes yes there is
Mick Mannock
There are many: Boelke, the Richtofen brothers, Udet, Fonck, Rickenbacker, Ball, Mannock....
Snoopy has fantasized about being the Flying Ace, a dashing World War I fighter pilot who clashes with the German ace, the Red Baron, while flying his Sopwith Camel biplane (his doghouse). This was a long-running theme in the comic strip that was adopted into the TV show.
Alvin York wasn't a pilot. He served on the ground only.