Thomas Ian Nicholas

In March 2015, Nicholas appeared on Blues Traveler's album Blow Up the Moon, co writing the song "All the Way."

On June 30, 2010, Nicholas threw out the first pitch at the Chicago Cubs game at Wrigley Field and sang the seventh-inning stretch, which he now sings on a yearly basis. Following the Cubs' win over the Indians in Game 7 of the 2016 World Series, Nicholas, in celebration, tweeted the final shot from Rookie of the Year: Henry holding his fist up to the camera to show a Cubs World Series ring.

Nicholas released his debut album, Without Warning, on January 15, 2008, and his follow-up album, "Without Warning Acoustic" on February 28, 2009. Heroes Are Human, on June 1, 2010. His fourth release is a self-titled EP, released March 20, 2012, in which the first single "My Generation" is also on the American Reunion soundtrack album. His fifth release is the EP Security released on April 8, 2014.

Nicholas married Colette Marino, known as DJ Colette, in 2007. The couple had their first child, a boy in 2011. Their second child, a girl, was born in April 2016.

Nicholas is known for his roles in Rookie of the Year (1993) and American Pie (1999). He appeared in the four theatrical films of the American Pie franchise, as the character Kevin Myers, played Frank Sinatra, Jr. in the Showtime movie Stealing Sinatra, and co-starred in Halloween: Resurrection. In 2009, he played the role of a rookie cop in the drama Life Is Hot in Cracktown. He played Eugene in Nicole Holofcener's Please Give, which won the 2011 Indie Spirit Robert Altman Award. He had the role of Abbie Hoffman in the film entitled The Chicago 8. He also appeared on an episode of ABC's Grey's Anatomy as Jeremiah. "I started acting when I was 6 years old. I have always enjoyed making people laugh or smile or think," he says.

Thomas Ian Nicholas (born July 10, 1980) is an American film actor, singer, musician, producer, director, and writer. Nicholas is best known for playing Henry Rowengartner in Rookie of the Year, Walt Disney in Walt Before Mickey and Kevin Myers in the American Pie film series.