Dexter is constantly teased due to his voice being deep and high-pitched at the same time.
Dexter suffers from Asperger Syndrome and Type 3 ADHD (the combined hyperactive-impulsive and inattentive subtype).
He has some problems of shyness and talks to himself sometimes.
He has scoliosis and is bothered by it while sleeping. He also suffers of rhinitis, bronchitis and some respiratory problems.
He is afraid of reptiles, octopus, clams, oysters, jellyfish, butterflies, moths, other insects, eels, spiders, heights, dying, yaoi/yuri stories and blobfish.
He also hates some types of vegetables, drugs, alcoholic beverages, mayo, study, have to follow rules, yucky things like work, dirt, or working in dirt, people who aren't kind to Mother Earth, not winning, liars, phonies, poseurs, fakes, cheaters and anyone who throws his attitude.
He hates being compared to Noah, Cameron and Courtney.
He hasn't made his driving test and still walks accompanied in the street.
Dexter considers himself "a bubble-boy ahead of his time" and many people think he is a somewhat girly boy but he just likes things that neither boys nor girls are very interested.
He seems very annoyed by the fact that he is in the last stage of puberty and strange things happen to him.
Dexter's school grades hover between B- and D and he doesn't know how to swim.
He is christian and attends church every Sunday.
He has some moments of bad luck and unsuccessfully tries to reverse it.
Dexter is one of the tallest MLT's male OCs, being surpassed only by León, Danny and PJ.