What is svengoolie the killer shrews?

Svengoolie is a horror movie host who presents classic horror films and provides humorous commentary during commercial breaks. "The Killer Shrews" is a 1959 horror film directed by Ray Kellogg. The film follows a group of people who become trapped on an island with mutated, dog-sized shrews that attack and kill anything in their path. Svengoolie often features B-movies like "The Killer Shrews" on his show and adds his own comedic touch to the viewing experience. The film has since gained a cult following for its campy special effects and ridiculous premise.