Chunk is a rock-like toy from Sunnyside Daycare. He has protective shoulder spikes, poseable oversized limbs, and fists ready to smash anyone who gets in his way. He also has a hidden head spike which when pressed down switches his facial expression from friendly to fierce.
Chunk is first seen shaking hands with Jessie and welcoming Andy's toys to Sunnyside. He is later seen gambling with Lotso's gang inside a vending machine (their secret hideout) and helps Lotso and Buzz (after he is switched to "Demo" mode) imprison Andy's toys. When he and Sparks are putting Jessie in a cell later in the film, she kicks them both in the face. Chunk is eventually convinced of Lotso's evil by Woody and Ken, and reforms.
In the ending credits, when Sunnyside is turned from a prison into a paradise by Barbie and Ken (who are now the new leaders of Sunnyside after Lotso's defeat), Chunk is shown handling a rough playtime with the toddlers in the Caterpillar Room as a tag-team with Twitch, later switching places with Twitch so Chunk can rest.
Chunk appears to be based on the short-lived Rock Lords toyline from the 1980s.
Jack Angel, who provided the voice of Chunk, also voiced Rocky Gibraltar and Mr. Shark in the first film.
Although one of the strongest toys on Lotso's team, he's also the stupidest. When commenting on Buzz's gullibility during the gambling scene, he tries to say, "He's not the sharpest knife in the drawer," but either he doesn't know what a drawer is or he forgot, instead of saying, "the place where they keep the knives," causing Sparks to reply, "Neither are you, Chunk!"
Chunk's angry face
Chunk's happy face
The real-life toy version of Chunk by Thinkway Toys
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