It only took about a month of editing.
Dave was Tooch (http://miketooch.tumblr.com)
Karkat was Selig (http://lavatoryofsmiles.tumblr.com)
Sollux was Pacman (http://senorpacman.tumblr.com)
John was ZingDev (no link)
Terezi was Kat (http://zomgenius.tumblr.com)
Jade was h0peh (http://h0peh.tumblr.com)
Aradia was knottedOdyssey (http://knottedodyssey.tumblr.com)
and Introducing VTHM as Rose! (http://youtube.com/user/VTHM)
This comic pretty much never gets old.