Secret Agent Mater is a book.
Characters[]
- Mater
- Rod Redline
- Acer
- Grem
- Holley Shiftwell
- Finn McMissile
- Siddeley
- Ivan*
- Victor Hugo
- Petro Cartalina (cameo)
- Mach Matsuo (red) (cameo)
- Austin Littleton (blue) (cameo)
- Carla Veloso (cameo)
- The Queen
- Fillmore (cameo)
- Sally
- Guido (cameo)
Trivia[]
- Some of the page art is reused from Super Spies.
- *Because of Mater being seen wearing his Ivan disguise, Ivan's existence is prominent in this story.