Here's a profile for Turbo Teen in the format of the Official Handbook of the Marvel Universe:

Turbo Teen

Real Name: Brett Matthews

First Appearance: Turbo Teen (TV Series) (1984)

History:
Brett Matthews was an ordinary high school student until he was involved in a freak accident. While driving his red sports car, Brett crashed into a secret government laboratory, and the experimental "Transmutation Formula" inside the lab fused Brett's body with the car, turning him into the superpowered Turbo Teen.

As Turbo Teen, Brett gained the ability to transform into a sentient red sports car with various high-tech features. He also possessed superhuman strength and durability, as well as enhanced speed and agility.

Brett used his powers to fight crime and defend his hometown of Valley Hills, often teaming up with his friends and fellow crimefighters Patty and Alex. However, he also struggled with maintaining control over his car form, which would sometimes take over his consciousness and lead him on dangerous, high-speed chases.

Powers and Abilities:
As Turbo Teen, Brett can transform into a sentient red sports car with various high-tech features, including turbo boosters, grappling hooks, and missile launchers. He possesses superhuman strength and durability, as well as enhanced speed and agility, allowing him to outrun and outmaneuver most vehicles on the road.

In his human form, Brett is an athletic teenager with no special abilities, but he is a skilled driver and a competent fighter.

Comments:
Turbo Teen is a unique hero with a memorable concept, combining elements of superheroes and the popular 1980s trend of transforming cars. While the show only ran for one season, it has developed a cult following among fans of retro animation and 80s nostalgia. Turbo Teen's high-speed adventures and wacky transformations make him a fun and entertaining addition to the world of animated superheroes.