He enjoys teasing lifelong friend Burton Guster (Gus), a pharmaceutical representative, about Gus's eclectic interests as they drive around in a blue Toyota Echo nicknamed ``The Blueberry'' solving crimes. Head detective Carlton Lassiter (Timothy Omundson), playfully named ``Lassie'' by Shawn and Gus, quietly respects Shawn's crime-solving skills, but doubts his psychic abilities and is constantly exasperated and/or infuriated by his antics.
Gus
Shawn