User blog comment:Willbachbakal/Singleplayer Enemies: Rumbler/@comment-72.78.206.137-20130830170424/@comment-1330314-20130830223724

I already gave the Bouncer the ability to project his drill, so giving it to the Rumbler would be redundant. The idea wouldn't go too well with the rest of its abilities, either, as the Rumbler works best at range. However, I do invite you to put your concept on your blog.