What is "unidan"

Ben Eisenkop, better known by his Reddit pseudonym Unidan, is an ecosystem ecologist and doctoral candidate in biology at Binghamton University, who became popular on the social media website Reddit as the "excited biologist" who answered questions and explained concepts related to biology and ecology. He was banned from the website for vote manipulation – using multiple secret accounts to increase the popularity of his own posts and decrease the popularity of competitors' posts.