Previous Life Characters are characters that have had canon lives before the show started.
HV
UXW
Dino-Weapon
The Editor
Glue Bunny
Glue Buddy
Glue Girl
GLuE-tar
Tommy
Robo-Weapon
Wrangle
Kirbo
Steve
Glue B.O.S.S.
Glue GOD
Glynder
Most FNaRF characters
Vector