AARGH! is a very strong liquid shampoo person. I mean, it is the name of a shampoo person, or a person who is made of shampoo. It is not the name of a person who advertises shampoo or of a cartoon character like the Pillsbury doughboy.
Also it is a very very good name indeed for a bad rock band, and it truly rocks in a way unfathomable for even the most intelligent and capable of sockmost socks, even the very ones very very good at understanding very very very good names indeed for bad rock bands!!1! But it doesn't make me go AARGH!, it makes me go GAAAH! so it must be very very sinister, yes evilly evil even; shoo shoo, eeble shoe! Go nose your own door.