Rosenberg has occasionally appeared as a character in other webcomics, particularly as Mr. Jon Rosenberg in Jeffrey Rowland's Overcompensating.
World lines appeared in Jeffrey Rowland's webcomic Wigu Adventures as part of the "Magical Adventures in Space" side story line, in which Topato Potato and Sheriff Pony accidentally delete a world line relating to the initial creation of Earth from asteroids, causing the Earth to never have existed.
Jeffrey Sachs | Kelly Rowland | Jeffrey Archer | Rowland Hill | Rowland Hill (postal reformer) | Michael Jeffrey Shapiro | Jeffrey Steele | Jeffrey Lewis | Jeffrey Hunter | Jeffrey Katzenberg | Rowland Hill, 1st Viscount Hill | Jeffrey Osborne | Jeffrey Dahmer | Richard Jeffrey | John G. Rowland | Jeffrey Tambor | Jeffrey Sweet | Jeffrey Loria | Jeffrey Kramer | Tiny Rowland | Rowland Heights, California | Rowland Heights | Rowland Evans | Rowland Bowen | Jeffrey White | Jeffrey Vallance | Jeffrey Steingarten | Jeffrey Richter | Jeffrey Kahane | Jeffrey Hornaday |