- Gifted Intelligence: Mystery has been rated an advanced learner, but he believes he's just an average student
- Speech Difficulty: Due to excess mumbling, he never developed a good, loud speaking voice.
- Penny Board
- Matthew is a Catholic.
- Favorite Marvel Super Heroes: Spider-Man, Scarlet Spider, Daredevil, and Spider-Man 2099.
- First edit was on Kaine Parker.
- First page created was American Dream (Super Hero Squad).
- He's most proud of his contributions to Spider-Man (Super Hero Squad).
- How he refereed to Arácnido, "Arácnido, Jr," was later used as his editorial name in Spider-Man Unlimited.
- MysteryScooby's avatar is the cover of Web of Scarlet Spider #1.