# Thom Kallor

Thom Kallor is a character appearing in comic books published by DC Comics, primarily as a member of the Legion of Super-Heroes. The character has also been known as Star Boy and Starman.
Kallor as Star Boy has appeared in various media outside comics, primarily those featuring the Legion of Super-Heroes. He is voiced by Bumper Robinson in Legion of Super Heroes (2006) and Elyes Gabel in Justice League vs. the Fatal Five.

## Publication history

Thom Kallor first appeared in Adventure Comics #282 and was created by Otto Binder and George Papp.

## Fictional character biography
### Legion of Super-Heroes

Star Boy is a member of the Legion of Super-Heroes, a group of young heroes living a millennium in the future. He is born to astronomer parents on a satellite orbiting the planet Xanthu, and can temporarily increase the mass of an object, up to the mass of a star.
Star Boy is expelled from the Legion for killing his girlfriend Dream Girl's ex-boyfriend Kenz Nuhor in self-defense. After this, he and Dream Girl join the Legion of Substitute Heroes before returning to the Legion.
Following Zero Hour: Crisis in Time!, which reboots the Legion's continuity, Thom Kallor discovers that he is destined to travel back to the 21st century, assume the mantle of Starman, and die.

### 2005 reboot

Mark Waid's 2005 Legion reboot depicts Star Boy as black and Cosmic Boy's right-hand man.
In Justice Society of America, Thom Kallor is depicted as having schizophrenia before Gog restores his sanity. It is also revealed that his suit is a map of the multiverse and was created by Brainiac 5.
In Final Crisis: Legion of 3 Worlds, it is revealed that Starman was sent to the 21st century to resurrect Superboy and carry out R. J. Brande's will.

### The New 52

In The New 52 continuity reboot, Thom Kallor is killed in an attack by the Fatal Five before being resurrected. In Doomsday Clock, Doctor Manhattan erases Kallor and the Legion from existence before eventually restoring them.

## Powers and abilities

Star Boy can temporarily increase the mass and density of any object or person. The version of Thom working with the Justice Society of America can travel between universes using a combination of his mass-controlling powers and his uniform, a map of the multiverse created by Brainiac 5.
As a member of the Legion of Super-Heroes, Thom has a Legion Flight Ring, which enables him to fly and survive in space and other dangerous environments.

## In other media

* Thom Kallor as Star Boy, based on the "Threeboot" incarnation, appears in Legion of Super Heroes, voiced by Bumper Robinson.
* Thomas Kallor / Star Boy, based on the post-Infinite Crisis incarnation, appears in Justice League vs. the Fatal Five, voiced by Elyes Gabel. This version suffers from a form of schizophrenia and takes medication despite it no longer working. After accidentally traveling back in time to the 21st century while trying to stop the Fatal Five, Kallor loses his medication and most of his memories and is incarcerated in Arkham Asylum. However, he escapes after seeing the Fatal Five on the news, which triggers some of his memories. He later encounters the Justice League and Jessica Cruz and befriends the latter before sacrificing himself to stop Emerald Empress from destroying the sun.
* Thom Kallor as Star Boy appears as a character summon in Scribblenauts Unmasked: A DC Comics Adventure.
* Thom Kallor as Star Boy appears in the one-shot comic Batman '66 Meets the Legion of Super-Heroes.