Some discussions in incel communities endorse violence against sexually active women and more sexually successful men; harassment of women, including activities such as catfishing; and suicide among incels. According to the Anti-Defamation League, incels are the most violent community within the manosphere. In some incel communities, it is common for posts to glorify violence by self-identified incels such as Elliot Rodger (perpetrator of the 2014 Isla Vista killings) and Alek Minassian (perpetrator of the 2018 Toronto van attack), as well as by those they believe shared their ideology such as Marc Lépine (perpetrator of the 1989 École Polytechnique massacre), Seung-Hui Cho (perpetrator of the 2007 Virginia Tech shooting), and George Sodini (perpetrator of the 2009 Collier Township shooting). Rodger is the most frequently referenced, with incels often referring to him as their "saint" and sharing memes in which his face has been superimposed onto paintings of Christian icons. Some incels consider him to be the true progenitor of today's online incel communities.