Question: Partysaurus Rex is based on the characters from which series, based on anthropomorphic concepts?
Context: Toy Story Toons: Partysaurus Rex is a 2012 Pixar computer animated short film directed by Mark Walsh.  It was first screened in theaters ahead of the 3-D theatrical re-release of "Finding Nemo".  "Partysaurus Rex" is the third short in the "Toy Story Toons" series, based on the characters from the "Toy Story" feature films.  The short involves Rex getting left in the bathroom and making friends with bath toys.  It is one of the final roles of Don Rickles as Mr. Potato Head, before his passing in 2017, followed by "Toy Story of Terror! ", "Toy Story That Time Forgot" and "Toy Story 4". Toy Story is a computer animated film series and Disney media franchise that began with the original 1995 film, "Toy Story", produced by Pixar Animation Studios and released by Walt Disney Pictures.  The franchise is based on the anthropomorphic concept that all toys, unknown to humans, are secretly alive, and the films focus on a diverse group of toys that feature a classic cowboy, Sheriff Woody, and modern spaceman, Buzz Lightyear.  The group unexpectedly embark on adventures that challenge and change them. The "Tiny Toon Adventures" animated television series features an extensive cast of characters.  The show's central characters are mostly various forms of anthropomorphic animals, based on Looney Tunes characters from earlier films and shows.  In the series, the characters attend a school called Acme Looniversity, set in the cartoon community of Acme Acres. Astrosaurs is a series of children's science fiction novels written by Steve Cole, which have been released since 2005.  The main characters are space-going dinosaurs named Teggs Stegosaur (a "Stegosaurus"), Gipsy Saurine (a "Corythosaurus"), Arx Orano (a "Triceratops") and Iggy Tooth (an "Iguanodon").  The series are published by Random House.  The first two "Astrosaurs" books were released on 1 February 2005, with over twenty books following.  "The Teeth of the T. Rex" was a special edition book written especially for World Book Day.  Free trading cards come with each Astrosaur book, featuring foes, weapons, crew members, ships, aliens and many other characters and things found in the relevant book, with a set of 'bonus cards' available to order from the Steve Cole website, which are now believed to have gone out of print, and featured characters from the first eight books.  The World Book Day title "The Teeth of the T. Rex" does not include cards, and is much shorter than the other books.  The first five "Astrosaurs" books have now been released in Audiobook format on CD in the UK.  The series is a huge hit with children nationwide.  Beginning in late 2010, the books have been re-released with new cover artwork.  Currently, books 12–15 are the only ones not to have been given the new covers.  Woody Fox is the illustrator on every Astrosaurs book, who also draws the illustrations for the trading cards, with Charlie Fawkes having designed the Astrosaurs logo, consisting of the word 'ASTROSAURS' with the four main characters above it. The Itchy & Scratchy Show (often shortened as Itchy & Scratchy) is a running gag and fictional animated television series featured in the American animated television series "The Simpsons".  It usually appears as a part of "The Krusty the Clown Show", watched regularly by Bart Simpson and Lisa Simpson.  Itself an animated cartoon, "The Itchy & Scratchy Show" depicts a sadistic anthropomorphic blue mouse, Itchy (voiced by Dan Castellaneta), who repeatedly maims and kills an anthropomorphic, hapless threadbare black cat, Scratchy (voiced by Harry Shearer).  The cartoon first appeared in "The Tracey Ullman Show" short "The Bart Simpson Show", which originally aired November 20, 1988.  The cartoon's first appearance in "The Simpsons" was in the 1990 episode "There's No Disgrace Like Home".  Typically presented as 15-to-60-second-long cartoons, the show is filled with gratuitous violence.  "The Simpsons" also occasionally features characters who are involved with the production of "The Itchy & Scratchy Show", including Roger Meyers Jr. (voiced by Alex Rocco, and, later, Hank Azaria), who runs the studio and produces the show. Spy Fox is a series of software from Humongous Entertainment starring a fictional anthropomorphic fox of the same name.  The characters live in a world of anthropomorphic animals who live like humans.  There are also running gags in the games such as Professor Quack eating a certain blueprint which shows how a gadget works (see below) and Monkey Penny's karate belt, which appears on the packaging boxes but is not shown in actual game play (although the belt is sometimes shown in animations that play during credits).  Many of the game's names and plot elements are spoofs from the James Bond and Get Smart series.  Many random puns are thrown in throughout the games to create a whimsical and humorous environment. Toy Story Toons is a series of short animated films based on the "Toy Story" franchise.  The plotline of the series begins after "Toy Story 3".  The films are set at Bonnie's house, the new home of Andy's toys.  As of 2015, three shorts have been released as part of the series – "Hawaiian Vacation" and "Small Fry" in 2011 and "Partysaurus Rex" in 2012.  A fourth short, titled "Mythic Rock", was rumored in 2013, but was scrapped. Barney & Friends is an American children's television series aimed at children from ages 1 to 8, created by Sheryl Leach and produced by HIT Entertainment.  It premiered on PBS on April 6, 1992.  The series features the title character Barney, a purple anthropomorphic tyrannosaurus rex who conveys educational messages through songs and small dance routines with a friendly, optimistic attitude.  Production of new episodes originally ceased on September 18, 2009, although reruns of the series were still shown on several PBS stations in following years.  Reruns aired for 10 years on Sprout from 2005 until 2015.  A revival of the series is set for a 2017 launch. Razzberry Jazzberry Jam is a Canadian animated children's television show about music.  All of the characters are anthropomorphic musical instruments.  In each episode a special guest arrives at "The House of Jam" and the band learn about that guest (instrument) and a new song that features that instrument.  Each episode also has two live action components wherein children learn about musical concepts with real musicians and real instruments.  The animation is done with Adobe Flash. Visual Concepts Entertainment is an American video game developer based in Novato, California best known for developing Take-Two Interactive's "2K" series of sports games.  After the success of the series, they were acquired by Sega and became a wholly owned studio with Sega, usually termed a first-party developer.  However, Sega at the time termed non-internal studios that the company either set up or purchased as "1.5 development studios" in order to differentiate them from their own internal studios.  In January 2005, Visual Concepts was sold to Take-Two Interactive along with their wholly owned subsidiary Kush Games.  With the purchase of Visual Concepts, Take-Two created 2K Games, a new publishing label.  Although the company started out developing quirky titles such as "Lester the Unlikely", development efforts are now primarily centered on sports titles such as Basketball and Wrestling.  It also has two development studios: Visual Concepts China, and Visual Concepts Korea.
Answer: Toy Story