All of my Super Smash Bros. Amiibo are questionable purchases. Since I haven't opened any of them, I bought them all because "they look cool." I use all the characters I own the Amiibo for except Famicom Colors ROB. I purchased that one strictly for decorative purposes and because I didn't have to buy the three-pack with the Amiibo I didn't want.
I didn't buy all the Amiibo for characters I use. I can't justify Pac-Man and Ganondorf, both of whom I only select for trolling. Pac-Man's ass-chomping down throw and the entirety of Ganondorf offer limitless disrespect.