Preeti

Preeti is an arrogant and snotty girl from Chumpak Nagar. She is one of the three protagonists of the show. Like Billu, her father and mother's names are not mentioned. Preeti is shown to be a very clever girl. Preeti has no other "friends" besides than Billu and Haddi. She always makes her friends do all of her work.

Biography
Preeti and Billu were friends since they are babies. On Billu's pet hamster Chitti's birthday, she and Billu beat Haddi in a limbo game and Haddi became her "slave friend" forever. Because of her rude behaviour, even her parents are shown to be scared of her. She is very pessimistic.She was even unhappy in her mother's womb. She has a enemy named Bublee Bablani, who teases her every day. This prompts her to get revenge with Haddi's help.

B illu
Billu is her best friend, but she treats him like a slave. In some episodes, Preeti has shown some sincere concern for Billu.

Haddi
Haddi is the duo's (Billu and Preeti's) best friend since the episode Meet the Reaper. He is to be her slave for eternity after that episode.

Gullu
Gullu has a serious crush on Preeti. He loves her so much that he would save her from vicious monsters even at the cost of his life.But Preeti doesn't like him even a bit.

Bublee
She is Preeti's sworn enemy. She always bullies and teases her. When they first met, Preeti had become Bublee's best friend but Bublee talked too much and Preeti who became fed up of her said "shut up" in the face Bublee's face. Bublee felt humiliated, and from that moment she started teasing Preeti and defaming her.

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Trivia

 * In the American version of the show, "The Grim Adventures of Billy and Mandy", her name is Amanda, which is shortened to Mandy.
 * She never smiles in any episode even if she is forced. Reality fell apart in one episode when she was forced to smile.