I think about the Seaman PS2 a lot. It's def the most "If you touch this controller you will be cursed" controller. While there are many bizarre PS2 controllers, this is my favorite in terms of just on it's face looking so god damn weird.
Went to my friend's house to play Capcom Vs SNK 2 and he styled on me so badly using this that I kicked a hole in the drywall