Zwiebelchen
Fractal Fanatic
Another one by LPSlinger:
added on 01.04.2014: Chubster 40 by LPSlinger: http://forum.fractalaudio.com/axe-fx-ii-user-cabs-irs/84154-rivera-chubster-40-open-back-ur-irs.html
added on 01.04.2014: Chubster 40 by LPSlinger: http://forum.fractalaudio.com/axe-fx-ii-user-cabs-irs/84154-rivera-chubster-40-open-back-ur-irs.html