

Shirley the crocodile.
Jim Crocodile Cook (voiced by Tom Wayland) is the top ranked duelist at South Academy, and another friend to Jaden. He speaks with an Austrilian accent, and has a crocodile named Shirley. He duels with a Fossil Deck.
Jim came to Duel Academy as a transfer student, and became friends with Jaden and the others. When everyone was sent to the alternate dimension, and Jaden was turned into the Supreme King, Jim used his Eye of Orichalcum to try to free Jaden. Jim lost the duel and was sent to the stars. But his friend Axel was able to use the Eye to free Jaden. When Jaden defeated Yubel, Jim and everyone else who was sent to the stars, returned home.
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Trivia[]
- Jim will guest star in Jeffrey, Jaden & Friends go to Jurassic Park.
- Jim is still called Jim Crocodile Cook in Japan, but as for Shirley, Jim's Crocodile, she is called Karen in Japan.
- Jim Crocodile Cook will guest star in Jeffrey, Jaden & Friends' Storm Adventures of Avatar.
- Jim guest stars again in Jeffrey, Jaden, Hiccup and Juniper Lee go to Jurassic World.
- Jim will join the team again in Jeffrey, Jaden, Hiccup, Juniper Lee & Friends' Storm Adventures of Jurassic World: Fallen Kingdom.
- At the end of Jeffrey, Jaden, Hiccup & Friends' Storm Adventures of Avengers: Infinity War, both Jim and Shirley become victims of Thanos' Snap. However, they're resurrected by Hulk in Jeffrey, Jaden, Hiccup & Friends' Storm Adventures of Avengers: Endgame.