Garrett Miller is a fictional character in the animated television series Extreme Ghostbusters. He is the young, athletic, and sarcastic member of the new team. One of the new-generation student Ghostbusters recruited and mentored by Egon Spengler. Garrett Miller from Extreme Ghostbusters is a young white athlete born as a paraplegic who uses a wheelchair. Despite his inability to walk, he has a very active, jock-like attitude, loves extreme sports, and performs crazy stunts. Garrett studies physical therapy, though his secret dream is to play in the NBA. Attitude: Energetic, cocky, and an extreme sports fanatic who claims he joined the Ghostbusters strictly for the adrenaline rush.

Roland Jackson is a fictional character in the animated series Extreme Ghostbusters. He is the level-headed, mechanically gifted mechanic of the new student team recruited by Egon Spengler, helping maintain and upgrade the Proton Packs and Ecto-1. Role: The team’s technical expert and engineer, often fixing gear with a practical approach.Personality: Studious, calm, responsible, and a bit of a "square" compared to his more cynical or laid-back peers. Aspirations: Desires to get into an Ivy League school and become a doctor. Fears: Admitted that his biggest fear is a dangerous breakdown of his own equipment. Family: Roland is African-American, the oldest sibling in a large middle class family and volunteers in various social activities, including Food for the Homeless and Little League. He has a mischievous younger brother named Casey.

One of the four students of Egon Spengler and member of the new Ghostbusters team. A gothic, highly intelligent "Brainiac" with prior knowledge of the paranormal. Background: Kylie is a student in Egon's City College of New York course who shares his eccentric, socially awkward demeanor and deep knowledge of the supernatural. Weapons & Gear: She primary operates the ghost traps and carries a compact proton pistol powered by belt-worn power packs. Prior to Kylie becoming an Extreme Ghostbuster, Kylie's parents divorced and she became close with her Great Grandmother Rose. Rose died sometime in 1996 and Kylie now lives with her cat, Pagan.

Eduardo Rivera is a main fictional character in the 1997 animated television series Extreme Ghostbusters. He is the cynical, sarcastic, and reluctant Latino member of Egon Spengler's new student team, known for hiding his job from his law-enforcement family. Family Pressure: Comes from a family of police officers and is the black sheep for choosing ghostbusting over law enforcement. Attitude: Appears lazy, smart-aleck, and skeptical, but proves reliable and brave when his friends need him. Dynamic: Shares a notable flirtatious and argumentative chemistry with teammate Kylie Griffin.