Question: When was the American cartoonist who created Greg Heffley in Diary of a Wimpy Kid born? 

full_context: Document 1: Diary of a Wimpy Kid (film): Diary of a Wimpy Kid is a 2010 American comedy film directed by Thor Freudenthal and based on Jeff Kinney's book of the same name. The film stars Zachary Gordon and Devon Bostick. Robert Capron, Rachael Harris, Steve Zahn, and Chloë Grace Moretz also have prominent roles. It is the first film in the "Diary of a Wimpy Kid" film series, and was followed by three sequels, "" (2011), "" (2012) and "" (2017). The film earned $75.7 million on a $15 million budget. It is the only film in the series to be directed by Freudenthal, who was replaced by David Bowers for the rest of the installments. The film was theatrically released on March 19, 2010 in the United States by 20th Century Fox.
Document 2: Mr G: Helen "Greg" Gregson, best known as Mr G, is one of the three fictional characters portrayed by Chris Lilley in the Australian mockumentary series, "Summer Heights High". The character also appeared in the sketch comedy series "Big Bite".
Document 3: Diary of a Wimpy Kid (film series): Diary of a Wimpy Kid is a series of films based on the series of books, "Diary of a Wimpy Kid" by Jeff Kinney. The series consists of four films: "Diary of a Wimpy Kid" (2010), "" (2011), "" (2012) and the latest fourth film " "(2017).
Document 4: Jeff Kinney (author): Jeffrey Patrick "Jeff" Kinney (born February 19, 1971) is an American cartoonist, producer and author of children's books, including the "Diary of a Wimpy Kid" book series. He is also attributed as the creator of the child-oriented website Poptropica. He also appeared in the "Diary of a Wimpy Kid" films as Holly Hills's father.
Document 5: Diary of a Wimpy Kid: Double Down: Diary of a Wimpy Kid: Double Down is the eleventh book in the "Diary of a Wimpy Kid" series by Jeff Kinney. The book was unveiled during the 2016 Diary of a Wimpy Kid Virtually Live Event. The book was published on November 1, 2016. The real book trailer was released on October 17, 2016.
Document 6: Jason Drucker: Jason Ian Drucker (born  2005 ) is an American child actor. He starred as Greg Heffley in the 2017 film "". He also played Tommy Miller, the youngest of the Miller Family, in Nickelodeon's "Every Witch Way". In 2018, he will co-star in the "Transformers" spin-off "Bumblebee".
Document 7: Zachary Gordon: Zachary Adam Gordon (born February 15, 1998) is an American actor. Beginning his professional acting career at the age of eight, Gordon is a three time Young Artist Award Best Leading Young Actor nominee, best known for playing Greg Heffley in the first three films of the "Diary of a Wimpy Kid" film franchise, which are based on Jeff Kinney's #1 "New York Times" best seller novel series, "Diary of a Wimpy Kid".
Document 8: Diary of a Wimpy Kid: The Getaway: Diary of a Wimpy Kid: The Getaway is the twelfth book in the "Diary of a Wimpy Kid" series by Jeff Kinney. The book was unveiled during the 2017 Diary of a Wimpy Kid Virtually Live Event which was live streamed via YouTube as part of the 10th anniversary of the first book. The book is due to be published on November 7, 2017.
Document 9: Diary of a Wimpy Kid: The Last Straw: Diary of a Wimpy Kid: The Last Straw is a novel written by American author and cartoonist Jeff Kinney, the third book in the "Diary of a Wimpy Kid" series. The book acts as a journal and follows the adventures of Greg Heffley, the narrator of the book, who is in the second half of his seventh-grade year. This book was released in the US on January 13, 2009.
Document 10: Diary of a Wimpy Kid: Old School: Diary of a Wimpy Kid: Old School is a children's novel written by American author Jeff Kinney first published in 2015. It is the tenth book of "Diary of a Wimpy Kid" series, preceded by "" and followed by "". The book was released on November 3, 2015 worldwide, though an extract from the book was released online on October 28, 2015. This book debuted at No.1 on bestseller charts in India.
Document 11: Diary of a Wimpy Kid: Rodrick Rules (film): Diary of a Wimpy Kid: Rodrick Rules (sometimes known as Diary of a Wimpy Kid 2: Rodrick Rules) is a 2011 American comedy film based on Jeff Kinney's with a couple elements from "". The film stars Zachary Gordon and Devon Bostick. Robert Capron, Rachael Harris, Steve Zahn, and Peyton List also have prominent roles. The film was released on March 25, 2011 by 20th Century Fox. The film earned $72.4 million on a $21 million budget. It is the second film in the "Diary of a Wimpy Kid" film series preceded by 2010's "Diary of a Wimpy Kid" and followed by 2012's "".
Document 12: Diary of a Wimpy Kid (book series): Diary of a Wimpy Kid is a series of fiction books written by the American author and cartoonist Jeff Kinney. All the main books are the journals of the main character, Greg Heffley. Befitting a teen's diary, the books are filled with hand-written notes and simple drawings of Greg's daily adventures.
Document 13: Diary of a Wimpy Kid: Diary of a Wimpy Kid is a satirical realistic fiction comedy novel for children and teenagers written and illustrated by Jeff Kinney. It is the first book in the "Diary of a Wimpy Kid" series. The book is about a boy named Greg Heffley and his struggles to fit in as he begins middle school.
Document 14: List of Diary of a Wimpy Kid characters: This is a list of the characters in Jeff Kinney's book series "Diary of a Wimpy Kid", and in the film versions of the first, , and . "Diary of a Wimpy Kid" is a series of graphic novels written by American author and cartoonist Jeff Kinney. The books are the journals of the main character named Greg Heffley.
Document 15: Greg Heffley: Gregory "Greg" Heffley is a fictional character and the main protagonist of the realistic fiction novel series "Diary of a Wimpy Kid" created by American cartoonist Jeff Kinney. He serves as both the unreliable narrator and antihero of the series. He is heavily inspired to his supposed girlfriend, Holly Hills.
ground_truth: February 19, 1971