Szalinski is a fictional character from the movie series "Honey, I Shrunk the Kids." He is an eccentric inventor who creates a machine that accidentally shrinks his children and their friends to a tiny size. The character is portrayed by actor Rick Moranis. In the films, Szalinski faces various challenges as he tries to reverse the effects of his invention. His adventures often involve humorous situations and the struggle to navigate a world that is now much larger than him and his tiny children. The series combines elements of science fiction and family comedy.