Ace Trappola is as of the latest story arc in both JP and EN server, a fictional 17 year old who attends Night Raven College in the Japanese Disney mobile game, Twisted Wonderland. He is a first year in the Heartslabyul dorm, which is centered around the Queen of Hearts from Disney's 1951 film Alice in Wonderland. His personality can best be described as a go-getter who is also brusque in how he approaches people.
He is dorm mates with Deuce Spade, another first year who is also in the same classroom, but their worldviews differs in most aspect. This will be further explained in the relationships portion of this fan shrine.
He is one of the first characters that the player character, Yuu and their feline companion Grim meets although how all three of them meet differs depending on the various media adapations of Twisted Wonderland with some starting off on a better note than others.