Aiden is one of the two protagonists alongside Jace from the second story, HAPPS in Tales from the Pizzaplex 2: HAPPS. Aiden is shown to be very shy and anti-social, as he occasionally talks about how he wishes how he was invisible to other people.
There are roughly one-sh*t billion tropes so PLEASE look through them before adding one. Otherwise add what you like. ADDITION: PLEASE read through the trope description provided before submitting something. It's not a huge deal but too often people submit characters that don't fit just because they misinterpreted the title...