Brian O'Halloran is best known for his roles in Kevin Smith's View Askewniverse films, notably as Dante Hicks in Smith's debut film Clerks and its 2006 sequel, Clerks II. Aside from this, he has made small appearances in most of Smith's films, either as his Clerks character Dante Hicks or one of Dante's cousins.
The films include Mallrats, Chasing Amy, Dogma, Clerks: the Animated Series and Jay & Silent Bob Strike Back. O'Halloran has also announced that he will be in both Mallrats III and Clerks III.
Brian O'Halloran will be appearing at Niagara Falls Comic Con all three days.