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Monster Island (モンスターアイランド Monsutā Airando) is a place on Earth where numerous animals and rare creatures live, including Cell Jr. and Minotaurus.


After quitting work at a royal nature park, 17 moved to Monster Island.

This island is recurringly the goal of poachers who usually go in search of the legendary and unique surviving Minotaurus with the aim of snatching their horns of great value, but all these attempts are thwarted by 17, who works on the island as a Monster Island Ranger (MIR). The Dragon Ball Super manga shows that there are seven Cell Jr.s that reside on the island, which Android 17 has tamed so they don't attack the rangers. It is mentioned that they could have regenerated from the nucleus of Cell's head after being apparently annihilated by Gohan in the Cell Saga.

One night, this ecological reserve was the objective of the Galactic Poachers, who with their ship took all the animals of the island and with it also the Minotaurus, but the plans of this criminal gang were eradicated by Goku and 17.

Later, the island would be under the protection of Goten, Trunks and Marron in the absence of 17 for his competition in the Tournament of Power until it ended. While protecting the island, Goten and Trunks encountered the Cell Juniors whom Android 17 had forgotten to warn Goten, Trunks, and Marron about. However fortunately Goten and Trunks were wearing MIR uniforms which they eventually noticed while fighting them causing the Cell Jr. to to stop fighting realizing Goten and Trunks were Rangers. Apparently the Cell Jr. territorially defend the island from anyone not affiliated with the MIR or Android 17. These Cell Jr. are as strong as they were during the Cell Games.

Monster Island Rangers (MIR)

Due to the rare and endangered wildlife inhabiting the island, rangers like Android 17 protect the island from poachers. In the manga, the Cell Juniors living on the island consider the Rangers as allies as they have been tamed by Android 17. Goten and Trunks briefly work as Rangers during the Tournament of Power with Android 17's niece Marron staying with them on the island as a guest.


Known Residents
Known Visitors


  • The Cell Juniors living on Monster Island is fitting as they are little monsters created by the monstrous Bio-Android Cell. Additionally the Cell Juniors can be considered rare creatures and an endangered species as they are the only offspring of a deceased artificially created being and it is unclear if Cell Juniors themselves can reproduce.

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