It glitched for me, one random time. I hit it and it shot to the sky and is no never endingly shooting back down in a fireball and keeping on going, it's currently at 30k bolts and at 350k distance... i am on like my 10th time hitting the nerd.. so i'm guessing this is not normal....
 "Idle Empire"){kind=icon}
 "Utopian Mining"){kind=icon}
 "Berzerk Ball 2"){kind=icon}