Chase Brody is an alter ego created by Jacksepticeye. He is the fifth oldest ego, currently the second youngest. He was once an eager, playful, and energetic young man who ran his own side vlog called "Bro Average,"
 Marvin the Magnificent is a showman and aspiring magician
Antisepticeye, commonly referred to as Anti and dubbed A.L.T.R. 114209 by the I.R.I.S Foundation, is the fan-fueled idea of a dark and evil version of Jacksepticeye
Doctor Henrik von Schneeplestein is a doctor.