The new-look Phillie Phanatic makes his debut. (ESPN)
The Philadelphia Phillies' mascot, the Phillie Phanatic,in action before a baseball game against the San Diego Padres, Saturday, Aug. 17, 2019. (AP Photo/Matt Rourke)
Bryce Harper stands with the Phanatic before being introduced as a Phillies player during a news conference at the team's spring training facility, Saturday, March 2, 2019. (AP Photo/Lynne Sladky)
Gritty and the Phillie Phanatic dance during a baseball game between the Phillies and the Atlanta Braves, Saturday, Sept. 29, 2018, in Philadelphia. (AP Photo/Laurence Kesterson)
The “Phillie Phanatic” jumps on the back of Atlanta Braves catcher Biff Pocoroba during a pre-game warmup before double header at night on Tuesday, July 12, 1983 in Philadelphia. (AP Photo/ Rusty Kennedy)
The Phillie Phanatic, mascot of the Philadelphia Phillies, poses at its perch atop Philadelphia's Veterans Stadium April 8, 1991. (AP Photo/ GEORGE WIDMAN)
The Phillie Phanatic holds a doll dressed in a Toronto Blue Jays uniform during Game 4 of the 1993 Word Series. (AP Photo/ Carol Francavilla)
Harry Kalas, longtime broadcaster of the Philadelphia Phillies, is greeted by the Phillie Phanatic Wednesday, June 19, 2002. (AP Photo/ DAN LOH)
Hall of Famer Harry Kalas and the Phillie Phanatic wave to the crowd after removing the last of the "Vet Countdown" signs on Sunday, Sept. 28, 2003. (AP Photo/ RUSTY KENNEDY)
Philadelphia Phillies' Jim Thome responds to cheers after hitting his 400th career homer on Monday, June 14, 2004, in Philadelphia. (AP Photo/ H RUMPH JR)
The Philadelphia Phillies mascot the Phillie Phanatic is seen during a jubilant victory parade in downtown Philadelphia Friday, Oct. 31, 2008. (AP Photo/ Matt Rourke)
The Phillie Phanatic eyes up the location of the 2008 World Series Trophy Friday afternoon, Jan. 23, 2009, at Bloomsburg University, Bloomsburg, Pa. (AP Photo/ Jimmy May)
The Phillie Phanatic dumps popcorn on a fan during Game 1 of the NLDS between the Phillies and the Reds, Wednesday, Oct. 6, 2010. (AP Photo/ Matt Rourke)
The Phillie Phanatic stands during the opening day ceremonies before a baseball game against the Houston Astros, Friday, April 1, 2011, in Philadelphia. (AP Photo/ Matt Slocum)
The Philadelphia Phanatic watches a ball game from on-top of the Phillies dugout during a baseball game against the Colorado Rockies, Friday, Sept. 7, 2012, in Philadelphia. (AP Photo/ Matt Slocum)
The Philadelphia Phillies mascot, the Phillie Phanatic watches during an exhibition baseball game against the Toronto Blue Jays, Friday, March 29, 2013, in Philadelphia. (AP Photo/ Matt Slocum)
The Phillie Phanatic stands during the playing of the national anthem before a baseball game against the Washington Nationals, Tuesday, Sept. 3, 2013, in Philadelphia. (AP Photo/ Matt Slocum)
The Phillie Phanatic, center, dances with Zooperstars (left to right), Ichiroach Suzuki, Whale Gretzky, Harry Canary and Monkey Mantle on May 18, 2014, in Philadelphia. (AP Photo/ Chris Szagola)
The Phillie Phanatic shoots hot dogs into the stands during the fifth inning of a baseball game against the Boston Red Sox, Thursday, April 9, 2015, in Philadelphia. (AP Photo/ Chris Szagola)
The Phillie Phanatic admires a huge birthday card signed by thousands of his fans during pre-game ceremonies in Philadelphia, April 30, 1979. (AP Photo/Bill Ingraham)
Celebrate the Phillie Phanatic's birthday by taking a look at photos throughout his career.