Chances are you're Chrome ender, coming back to make the people that bullied you feel bad. Honestly, this is so unoriginal. So many people have done this before. I wouldn't be surprised if he came back and came up with some story like "oh I tried to commit suicide, but I was hospitalized and now I'm better, blah blah blah..." If he actually did commit, and you really are his brother, I am very sorry for your loss.