Toma Kamijo (Japanese: 上条 当麻, Hepburn: Kamijō Tōma) is a fictional character created by Kazuma Kamachi and first illustrated by Kiyotaka Haimura.

A high school student living in Academy City, Toma possesses a rare ability in his right arm dubbed the Imagine Breaker which allows certain types of power to be nullified at the cost of his luck.

Upon coming into contact with a mysterious nun named Index, Toma is caught in a crossfire between various factions of espers and sorcerers whose goals are deeply rooted on uncovering the City's secrets, and the duo.

Despite the fact that he is a level zero (powerless), his right hand has an ability called Imagine Breaker (幻想殺し, Imajin Bureikā, "Illusion/Fantasy Killer"), which allows him to cancel out any other power by touching it.

His memory loss is kept a secret and known only to himself and a few others, including his doctor Heaven Canceller, Terra of the Left, Mikoto Misaka, Fiamma of the Right, Index, Seria Kumokawa, and Misaki Shokuhō.

[6] In a 2010 poll which asked subscribers to the Dengeki Online website "Which anime and game characters would you like to name your children after?"

[8] In another poll surveying Japanese Otaku, but instead asking them what is their favorite characters based on season of the year, Toma was one of the forty-seven chosen for summer.

Carl Kimlinger from Anime News Network praised the character, stating that the series is "a thrill on every relevant level: emotional, mental, and visceral" when Toma gets into action.

[26] Theron Martin from the same website as Kimlinger concurred, calling the character "energetic", though criticizing him for being a bit preachy at times.

[31] Kim Morrissy from Anime News Network also praised Toma's ability, stating that it makes him a wild-card of the series and entertaining to watch.

Theron Martin from Anime News Network praised Toma and the rest of the dub performances, calling them "very solid".