Seth Crissie (voiced by Shaun Fleming) is one of the six guest characters of Fillmore! in the episode "Test of the Tested".
Seth was the one of stealing and cheated all the Satty-9 Test during the time pf investigation to recovered them. Cornelius Fillmore and Ingrid Third trying to interview him but he has made clean exit.
- "Test of the Tested" (only appearance)