David Alan Hornsby, born on December 1, 1975, in Newport News, Virginia, is an American actor and screenwriter best known for his role as Matthew "Rickety Cricket" Mara in the long-running FX comedy series It's Always Sunny in Philadelphia. His unique blend of comedic talent and writing prowess has made him a significant figure in the entertainment industry, where he has earned a reputation for his distinctive contributions both in front of and behind the camera.

Hornsby grew up in a creative environment that inspired his artistic pursuits. He attended the College of William & Mary, where he honed his skills in theater and writing. After completing his education, he moved to Los Angeles to pursue a career in acting. Hornsby initially took on minor roles in various television shows and films, gradually building his resume and gaining recognition in Hollywood.

His breakthrough came when he was cast in It's Always Sunny in Philadelphia in 2006. His portrayal of the defrocked priest Rickety Cricket, a character who often found himself in outlandish and humorous predicaments, quickly became a fan favorite. Not only did Hornsby act in the series, but he also contributed as a writer and producer, showcasing his versatility and commitment to the show. The series itself has garnered a cult following and is known for its sharp humor and unique characters, with Hornsby’s contributions making a lasting impact.

In addition to his role in It's Always Sunny in Philadelphia, Hornsby appeared in the NBC comedy-drama series Good Girls from 2018 to 2020, where he took on a regular role that further showcased his comedic abilities. He also lent his voice to the titular character in the Nickelodeon animated series Fanboy & Chum Chum, expanding his repertoire into the realm of animation.

Beyond his acting career, Hornsby is known for his personal life, particularly his marriage to actress Emily Deschanel. The couple tied the knot on September 25, 2010, and they have since welcomed two children together. Hornsby and Deschanel's relationship has often been highlighted in the media, reflecting their support for each other's careers and their commitment to family life.

As of now, David Hornsby continues to engage in various projects, both as an actor and a writer. His work on It's Always Sunny in Philadelphia remains a significant part of his legacy, and he is recognized as a talented figure in the comedy genre. With a career that spans over two decades, Hornsby has solidified his place in the entertainment industry, and fans eagerly anticipate his future endeavors.