Zoe (Alvin and the Chipmunks: Chipwrecked)

""They found it! And the best part is, they don't even know what they found! They just think it's just one gold bracelet! Which means that the rest of the treasure is MINE! ALL MINE!! (cackles maniacally)"

- Zoe talking to her sports balls about the gold necklace Simon found, revealing her true colors.

Zoe is the (former) true main antagonist of Alvin and the Chipmunks: Chipwrecked.

She was portrayed by Jenny Slate, who later played Dawn Bellwether in Zootopia and Harley Quinn in The Lego Batman Movie.

Beginnings
Zoe was presumed to have been stuck on the island for eight or nine years. It was revealed to be false as she intentionally came to the island and hunted down the treasure for a decade.

Alvin and the Chipmunks: Chipwrecked
Zoe first meets the six chipmunks when stumbling upon them by chance. She takes them to her tree house to stay the night. The next morning, after a dangerous hike over an old tree, Zoe takes them to a waterfall where Simon (who was altered by a spider bite) finds a cave. Immersing out of the water, Simon discovers a golden necklace and handed it to Jeanette. Upon realization, Zoe spoke to her sports balls about how she finally discovered the location of an entire treasure horde and revealed her true nature.

Before long, the Chipmunks and Chipettes learn that Zoe has taken Jeanette with her. Inside the cave, Zoe revealed that she was after the treasure on the island and forces Jeanette to reach inside and grab it for her. However, the island turns out to be a volcano and begins to erupt, derailing her plans. As everyone escapes the island-volcano, Zoe was dead set on killing Dave Seville after blaming him for his interference, but Alvin and Ian managed to talk her down and she saved Dave instead. Zoe then apologizes to Jeanette for kidnapping her and forcing her to find the treasure, and as a gift, Jeanette gives her the gold bracelet that Simon had obtained for her.

Personality
Zoe is altered by multiple spider bites which resulted her into becoming crazy, deluded, greedy, arrogant, selfish, delusional, and determined.

Appearance
Zoe has a safari-like appearance.

Trivia

 * She takes over the villain position from Ian, who was the main villain in the first two films.
 * Zoe has a collection as sports balls (i.e., basketball, football, and baseball) that she talks to as human beings. This may be a reference to Wilson the volleyball from the 2000 film Cast Away.