Jimenez was born in Manhattan and raised by a single mother in the South Bronx during the 1970s, the years of the borough's most intense economic privation and grinding poverty.

[1] Displaying an aptitude for visual art and creative writing from a very early age, he was awarded a scholarship to the Calhoun School in fall 1980.

One of the comic books shown at the exhibition, Shit House Poet, was the basis of his ongoing published work in World War 3 Illustrated for the entire decade and beyond.

[5] Jimenez began collaborating with the writer Jon Papernick in 2007 to adapt his book, Who by Fire, Who by Blood, into a graphic novel.

[6] His comic book work continues to be reviewed favorably,[7] and his series Shit House Poet still appears regularly in World War 3 Illustrated.