Master Jailer

The Master Jailer (known as Carl Draper on Earth) is a Trombusan prison guard that worked on Fort Rozz.

Fort Rozz
The Master Jailer is a former guard at Fort Rozz who hailed from the planet Trombus. He masqueraded as Carl Draper, a National City police detective, while hunting down and killing the Fort Rozz escapees who were disguising themselves as Earthlings. He made use of advanced alien technology, including an armored suit that made him a match for Supergirl physically.

Powers and abilities

 * Trombusan physiology:As a Trombusan, the Master Jailor seems physically indistinguishable from humans and it is currently unknown if it possesses any superhuman abilities beyond his armor's capabilities.

Equipment

 * Master Jailer armor:The suit used by the Master Jailer was an advanced battle armor capable of physically enhancing its user to outmatch Kryptonians in combat. Additionally, the Master Jailer demonstrated the ability to fly, shoot energy blasts from his forearms, and project super-strong chains. Its energy blasts and chains where notably used incapacitate Kryptonians, along with several aliens, with ease.

Behind the scenes

 * In the comics, Master Jailer is not an alien but a human, named Carl Draper, who grew up to be a security expert and an enemy to Superman.