Personally I would never get such a tattoo, in fact I think...
hypnotoad noises
ALL GLORY TO THE HYPNOTOAD!
My brother is a bigger fan than I am of Futurama, I'd expect him to have a tattoo like this, or maybe of the Scooty Puff Sr.
Scooty Puff Sr is a great choice . Slurms MacKenzie was definitely considered as well.