Real Name: 
Doctor Tyler Trudence

Alias: 
LaughingGas

Age: 
26

Gender: 
Male

Power(s): 
Immunity to toxins, enhanced speed, enhanced agility, hyper intelligence,

Skill(s): 
Mad inventor, emergency room medical skills, worked for years as a chemical scientist, mechanical background.

Weakness(es): 
Suffers from a breathing problem from having worn a gas mask for so long.

Appearance: 
Originally born with fair skin, jet black hair and bright blue eyes, LaughingGas has changed a lot, after the incident the now driven completely mad scientist has used chemicals that he synthesized to turn his hair a bright royal purple also altering his eyes color in the process to a glowing purple, however at all times the doctor wears a gas mask much like scarecrow's, he refers to the mask as his face...and without it he becomes manic and uncontrollable, he also needs it to breathe easily now.

Costume:
A dark almost black, purple trenchcoat with a hood that has a green smiling mask sewn into the face giving LaughingGas his "face" at all times. Dark green dress shirt and pants with purple dress shoes.

Backstory:
Doctor Trudence was a respected doctor and scientist once, for six years while studying for his degree in advanced chemics, Tyler worked in a Gotham emergency room, it was here, in a gore filled emergency room, where he started down the road to madness, after those six years he started work as a chemist working to help create different chemicals used to make medicine. As the years went by Tyler slowly went insane, he began poisoning batches of pain medication, causing countless deaths but it was never traced back to him, inspired by the joker the doctor got ahold of some joker venom and began  making his own, it was on October 9th that Tyler Trudence unleashed a bomb in his work place killing everyone except him as he was wearing what he would begin to refer to as his face. When he walked out of the explosion he was greeted by the man he would begin working under, The Jester.

Enemies: Joker, The Bat Family, most heroes.

Family/Friends: Jester,

Crush/Relationship: None

Prison Status/Sentence: Life in prison on multiple counts of murder.

Other: