John Semper Jr. (born August 14) is an American screenwriter, producer and story editor with numerous credits in animation for television. He is best known for being both producer and head writer on the television series Spider-Man: The Animated Series.
Semper is the creative originator of the "Spider-Verse", also known as the "Spiderman Multiverse", a storyline propagated in various Spider-Man comics, cartoons and films in the early 21st century.
Semper is the first Spider-man artist to involve the storyline of the "Spider-Verse", also known as the "Spiderman Multiverse". The penultimate and finale episodes of his animated Spiderman series, "Spider Wars, Chapter IV: I Really, Really Hate Clones" and "Spider Wars, Chapter V: Farewell, Spider-Man", respectively, involved multiple parallel universe Spider-Man characters convening. This marked the first Spider-Man story involving parallel universes. The work later appeared in various Spider-Man comics, cartoons and films in the early 21st century, such as the Spider-Verse movie franchise, and Spider-Man: No Way Home.[2][3][4]
Creeporia
In 2014, Semper created the family comedy-horror webseries Creeporia (2014). The character of Creeporia was first introduced in the webseries titled Crypt of Creeporia, a live-action/animated blend of humor and horror. The title role in the original webseries was played by Kommerina DeYoung.
Spider-Man website
As of November 2014, to commemorate the 20th anniversary of the Spider-Man: The Animated Series, Semper started cartoonspiderman.com, which includes behind-the-scenes content, a Facebook page, podcasts about the show, and more information about his work related to the 1994 animated series.[5]
Books
His books include The Singular Affair of the Missing Ball: A Sherlock Whippet Mystery (Lulu Press, 2005), as well as several books based on his scripts for the TLC/PBS Kids preschool series Jay Jay the Jet Plane, and Kids' WB action/adventure series Static Shock.
Awards
"Day of the Chameleon", an episode Semper wrote for Spider-Man: The Animated Series, earned him a 1995 Annie Award nomination for Best Individual Achievement for Writing in the Field of Animation. In 1996, the series was nominated for an NAACP Image Award in the category Outstanding Animated/Live Action/Dramatic Youth or Children's Series/Special. In 2004, Semper was nominated for a Daytime Emmy for his work on Static Shock.