The School Psychologist (voiced by Pamela Adlon) only appears in “School Test” where Beavis and Butt-Head offend her by talking to her about pornography.
Protagonists: Beavis / Cornholio / Old · Butt-Head / Old
Recurring Characters: Tom Anderson · Stewart Stevenson · Todd · Burger World Manager (2022) · Mrs. Stevenson · Mr. Stevenson · Lolita and Tanqueray · Maxi-Mart Clerk
Highland High School: David Van Driessen · Daria Morgendorffer · Principal McVicker · Coach Buzzcut · Spanish Teacher · Ms. Tress · School Nurse · Kimberly · Cassandra · Earl · Martin (thin) · Mrs. Dickey · Gina · Dreama · Dean Zunker · Punk Girl · Wilbur · Martin (gifted student) · JD · Glennis · Cody · Audrey · Mrs. Ortiz · Security Guard · Gym Teacher · Tommy · "Spare Me" Girls · Amy Asskowitz · Audrey's Friend · Dick Gaylord · School Psychologist · Ms. Jenkins · Jim the Substitute · Woodshop Teacher · Ryan · Librarian · Unnamed Female Teacher (Citizen Butt-Head)
Minor Characters: Marcie Anderson · Clark Cobb · Dave · Harry Sachz · Homeless Man · Madame Blavatsky · Redneck Lady · Crazy Farmer · Billy Bob · Slade · Psycho · Principal Brown · President Bill Clinton · Concert Girls · Hamid · Sterculius, the Roman God of Feces · St. Peter · Unnamed Police Officers · Mr. Manners · Frog · Harry Buddisker · Hiro · Mistress Cora Anthrax · Biker Lady · Fork Injury Guy · Peter Small · Killer · Second Killer · Ross and Harlan · Ellen · Keith · Case Worker · Rabid Ron · Lydia · Katya · Hairdresser · McVicker's Family · Beavis' Imaginary Children · Butt-Head's Imaginary Children · Gus Baker · Leroy · Fire · Jesus Christ · Ganesha · Buddha · Zeus · Bill Gates · Bill (Steamroller) · Linda · Joan · Mall Girls · Elevator Chick · Joe Adler · Suspicious Chick · Maya Kanigher · Megan · Old Woman (Couch-Fishing) · Cop (Couch-Fishing) · Cop (Pipe of Doom) · Cop (Screamers) · Mechanic · Slob · Priest · Rabbi · Jasmine · Captain Dick Jackman · Charlie the Angel · Misty Lou · Lucas · Dennis · Female Judge · Screaming Guy · Black Female Cop · Corvair Owner · Jim Baxley · Snake Woman · Urologist · Dr. Fisk · Dr. Leibowitz · Vet Receptionist · Wrong Mr. Anderson · Crystal · Sapphire · Gary · Shawna · Suspicious Chick · Debra Shea · Trish Burbee · Tiffany the Rubber Band Lady · Max Graham · Veterinarian · Victoria's Dad · Ric Aaron Joseph · Receptionist (Pumping Iron)
Movie Characters: Muddy Grimes · Dallas Grimes · ATF Agent Bork · ATF Agent Flemming · FBI Agent Hurly · Old Woman · Motley Crue Roadies · Judge · Serena Ryan · Jim Hartson · Mattison · Empress Beavis · Emperor Butt-Head
Smart Characters: Smart Beavis · Smart Butt-Head · Smart Daria · Smart McVicker · Smart Buzzcut · Smart Van Driessen · Smart Todd · Smart Judge · Smart Mrs. Stevenson
Mentioned Characters: Shirley Beavis · Tom Anderson's Son · Tom Anderson's Father