Often gets stressed when his friends make fun of his little size.

Junim (a corruption of Juninho, in turn an affectionate form of Junior) - Another one of Maluquinho's best friends, short in stature and with thick-rimmed glasses.

He is a bit taller than the others and dresses all in blue. He has a little sister named Nina, that usually annoys him. Usually he is ingenuous and is induced to the conversations of his friends.

Bocão (literally Gobber or Big Mouth) - One of Maluquinho's best friends, a chubby and glutton boy which often is always beside of Maluquinho in most of his plans and jokes.

In the Netflix series, she is Afro-Brazilian.

She has long, black, frizzy hair, wears a red T-shirt with a lightning bolt design (very similar to Captain Marvel's symbol), pleated white skirt and red and white sneakers. She had her own comic that was released in 2004. She has a blue pet cat named Romeu (a reference to the Shakespearean tragedy Romeo and Juliet). Julieta is cheerful, energetic, and talkative. She's also a 10-year-old girl, sometimes considered a female version as 'Menina Maluquinha' ('The Nutty Girl'). Aside from that, his main attire is a yellow T-shirt, black shorts and white and sky blue sneakers. He often wears a cooking pot on his head as an improvised Napoleon's hat, an adult-sized blue jacket and brown dress shoes, both pieces looking quite oversized on him.

He is always close to his friends Bocão and Junim, and is popular with girls (it is said in the book that he has 10 girlfriends, all at once), mainly Julieta.

Maluquinho (literally Nutty) - The main character, an eccentric and smart boy, mischievous and troublemaking but good-hearted.

Most of the stories revolve around the misadventures of Maluquinho and his friends with a light humour. The main character, 'Maluquinho' is a cheerful and optimistic 10-year-old boy who wears a pan on his head like a hat.

It was Ziraldo's second series of comic books, after ' Turma do Pererê'. The comic books were published by Abril and Globo from 1989 until 2007. It was based on the eponymous children's book published in 1980 which for many years was regarded as a classic of children's literature in Brazil, getting spun off into movies, plays and TV series. O Menino Maluquinho ( The Nutty Boy) is a comic book and comic strip series created by Brazilian writer and cartoonist Ziraldo. First cover of the book released in 1980 by Ziraldo

O menino maluquinho book