(NOTE: Some of these works are sort of connected to some series, but are not labeled as part of them. Thus, they are standalone works.)
thenewfn2199 Generations (as "YesterdaysTomSawyer"/Blue Jacket Guy [archive audio for voice], Penelope Penguiniso)
The Return... (not to be confused with an episode of
thenewfn2199 in Minecraft with basically the same name) (as "YesterdaysTomSawyer"/Blue Jacket Guy [brief appearance], Penelope Penguiniso, Peak Penguiniso)
The Ultimate Battle (as "YesterdaysTomSawyer"/Blue Jacket Guy [silent])
thenewfn2187's Return (as "YesterdaysTomSawyer"/Blue Jacket Guy [silent], Peak Penguiniso)
When You See A Spider (Ft. YesterdaysTomSawyer) (well, duh) (as "YesterdaysTomSawyer"/Blue Jacket Guy [silent])
Penelope Teaches History (as Penelope Penguiniso)