Yellow Jacket

Yellow Jacket (possibly an alias) was an old man who wore a yellow jacket who may or may not have kidnapped Billy Acachalla during a zombie apocalypse.He and Billy tried surviving together, which they did for some time until Billy accidentally killed him while trying to kill a zombie.

Billy Acachalla
Yellow Jacket may have kidnapped Billy but this is not confirmed.They tried to survive together and actually did care whether the other survived.Billy accidentally killed Yellow Jacket while trying to shoot a zombie.

Trivia

 * He always refers to Billy as son, leading some to believe he might actually be John Smigglebug anfd this may be why he kidnapped him.