- Introduced in the first film (Cars)
- Introduced in the second film (Cars 2)
- Introduced in the third film (Cars 3)
Mater's Tall Tales
Characters in Rescue Squad Mater
- Hospital Hottie: Mia, Tia and Kori Turbowitz, but Mater’s GTO stands out the most.
- The Medic: Rescue Squad Ambulance. Dr. Mater as well.
Characters in Tokyo Mater
Voiced by: Mach Tony Kobayashi
- The Cameo: He appears briefly at the pre-race party in Cars 2.
- Meaningful Name: A kabuto is a type of helmet, in which the spoilers on his body resemble.
Characters in UFM: Unidentified Flying Mater
- Cool Plane: Captain Munier the attack helicopter.
- Herr Doktor: The scientist pitties at Parking Area 51. Mater himself disguises himself as “Dr. Abschlepp Wagen”.
- Flying Saucer: Mator.
- Tank Goodness: Although he is not a tank, Corporal Kim, who runs Parking Area 51, is a large, menacing military van.
Characters in Heavy Metal Mater
- A Good Name for a Rock Band: Mater’s band was originally called “Mater and the Gas Caps”, but later chose the name “Heavy Metal Mater” when a pitty carrying a 1-ton weight came in after the recording session and asked “Where do you want this heavy metal, Mater?”
- Audience Participation Song: “Dad-Gum”Mater: Let me hear you! Dad-Gum!
- Hell-Bent for Leather: The entire band becomes this as “Heavy Metal Mater”.
- I'm Your Biggest Fan: Rodney the rocker
- No Name Given: The drummer pitty in the band never had a toy released of him, so his name is unknown.
- Rockers Smash Guitars: Mater kicks the microphone with his back tyre after the recording session.
- Shout-Out: Rocky’s heavy metal outfit resembles Slash.
- Title-Only Chorus: Heavy Metal Mater’s first and most popular song is “Dad-Gum”, of which the lyrics consist of only the title phrase.
Characters in Monster Truck Mater
- And I Must Scream: Paddy O'Concrete's fate.
- Bad Humor Truck: I-Screamer.
- Deadly Doctor: Dr. Feel Bad.
- Destination Defenestration: The above's fate.
- Dreadlock Rasta: The Rastacarian, who has black wiring with hooks as dreads.
- Drill Sergeant Nasty: Captain Collision.
- Frankenstein's Monster: Dr. Frankenwagon’s monster, which appears to be made out of construction vehicles.
- I'm Your Biggest Fan: There is a blue SUV who is constantly rooting for Mater in every wrestling match. He is first seen rooting for Ice Screamer, but eventually decides to root for Mater instead because of how successful he is.
- Mad Scientist: Dr. Frankenwagon.
- Oireland: Paddy O’Concrete