Chirag Gupta

Chirag Gupta is a friend of Greg Heffley. He appears in every book, excluding the most recent one, Diary of a Wimpy Kid: Dog Days.

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He is Greg's friend. According to Greg, Chirag is just as small as he is. He makes a cameo in the first book. In the second book it's a bigger appearance. He was supposed to move to California, and had a big farewell party. However, his parents changed their minds, and Chirag stayed. Greg thought it would be funny to pull a prank on Chirag before welcoming him back for real. Although the joke starts small, it soon gets to Chirag's attention, and Chirag reports the joke to Vice Principal Roy. However, this failed, as Vice Principal Roy could not get the identity of the person who reported Greg correctly.

Chirag later told his dad about this situation. Greg was forced to come to apologize. After this, Chirag plays video games with Greg.

In the third book, his role has been diminished. He only appears in one scene, where Greg tries to repeat the "Invisible Chirag" joke by tricking him into thinking he is losing his hearing. This failed.