Magic King, Sea Shark King, Duracell, and Explosive King.

1. The Four Masters: Thief-browed Mouse-Yan-Modong King. Thieving-browed Mouse-Eye is based on sugar cane and first appeared in the third episode of "Fruit Treasure Attack". The name of the Fruit Bao mecha is Magic King, which is relatively mentally retarded. , is also very funny. He once stole the "Sunflower Book" from the Guobao Academy, and finally learned that it was an agricultural book that taught people how to grow sunflowers.

2. The Three Bosses: Recognizing a Thief as His Father - Sea Shark King. Recognizing a thief as his father is based on a slender sugar cane. It first appeared in the eighth episode of "Fruit Treasure Attack". The Fruit Treasure Mecha is Sea Shark King, and its father is Sea Shark King. He likes to disrupt public order. He once saw an old lady buying apples, holding a dagger, and peeling apples for her without asking.

3. The second boss: the traitor—Duracell. The traitor is based on sugar cane. He first appeared in the twelfth episode of "Fruit Attack". He is good at strategy and his fruit mecha is Duracell. , was once a minister of the imperial court and was loyal to the country, but he was arrested because his name was a traitor.

4. The Boss: A World Without Thieves - King of Explosion. The prototype of A World Without Thieves is blue sugarcane. He is the leader of the four evil thieves. He is smart, cunning and has a deep city. He wears a black eyepatch and his fruit is treasure. Mecha is the King of Explosion. He was once a pirate and traveled across the rivers and seas. His dream was to defeat other pirates and maintain the peace of the ocean. He eventually changed his career due to seasickness.