Robert William "Rob" Corddry (born February 4, 1971) is an American actor, comedian, writer, and director. He is best known for his work as a correspondent on The Daily Show with Jon Stewart and for his starring role in the comedy film Hot Tub Time Machine. He is also the creator and star of Children's Hospital. He played the title character in Blackballed: The Bobby Dukes Story (2004) and Mac, Ben Stiller's character's best friend in The Heartbreak Kid. He has also made appearances in Old School (2003), Blades of Glory, Semi-Pro, I Now Prono…