Johnny Osgood

Johnny Osgood is a posthumous character from Static Shock. He was Jimmy Osgood's twin brother who died due to the immense torture Ivan Evans (later known as Ebon) put him through.

Background
As kids the twins Johnny and Jimmy, often called "The Osgood Twins" were inseparable as they would often hang out together with their best friends, Nick Connor, Kevin Green, and Ray Sanderson, sure there will be the occasional argument but they will always make it up to each other and be best twin friends again but one day everything changed...

It was a seemingly normal day, and Johnny was introducing his twin brother to a sport he never played before, basketball and when it was Jimmy's turn to throw the ball into the hoop, as expected he missed but then Ivan Evans (later known as Ebon) hit him on the head and then he blacked out but a few minutes later a similar thing happened to Johnny and then shortly after he regained consciousness Ivan began to torture him for hours and forced his twin brother, Jimmy to watch until he died.

His death had a huge impact on Jimmy and alot of other people rather they realize it or not, for one thing Jimmy wanting to bring his brother back to life due to his self blame over his death is what caused him to attempt a mass shooting and thus Richie getting shot and ironically enough Jimmy becoming Static and Gear's personal secret agent in "Jimmy's Return" were all caused by his death.

Jimmy Osgood
While his was alive, he had a very close relationship with his twin brother, Jimmy as they would often hang out together, even though they did have their differences they would always work it out together and be the best twin friends again.

His death had a large impact on him as it lead him down a path that would lead him to villainy and ironically to heroism as well.

Nick Connor, Kevin Green, and Ray Sanderson
While he wasn't as close to them as he was to his brother he still considered them his best friends and they often hung out with both of the twins.

Ivan Evans
When he kidnapped Jimmy because of his paranoid belief that he was part of a rival gang he asked rather he had any relatives and after he told them that he had a twin brother named Johnny he kidnapped him as well and tortured him until he died.

Tropes
Death by Origin Story: His death is what caused Jimmy to attempt a mass shooting and also to become Static and Gear's Secret Agent

Plot-Triggering Death: His death is the catalyst of the events that lead up to Jimmy attempting a mass shooting and becoming Static and Gear's secret agent.

Posthumous Character: Even though he died before Virgil Hawkins became Static, his death greatly affected those around him rather they realize it or not.

Theme Twin Naming: Johnny and his twin brother Jimmy.

Trivia

 * He died two months prior to The Big Bang.