Controllers that have a screen often run on the GP2040-CE firmware, showing you information from your input mode to your SOCD cleaning mode.
The Furaipan by Akekon Dojo is essentially a frying pan with Sanwa buttons. Other options include a Sanwa lever edition.
After the C16's immense success, Haute42 pleasantly surprised the FGC with the C16 Orange, which also upgrades the performance.
The Haute42 C-AS is a slim fightstick that lets you pick the joystick gate and button travel. It has optional analog sticks too.
Rushbox layouts are unique, and the Rushbox Mini gives you access to such a layout while remaining portable.
The wireless IINE HB1 has a rare left ring-finger button, but you can cover it (and any other button) if you want.
The Haute42 V16 Future White has all big buttons, and its LEDs allow you to see it more easily in the dark.
The Haute42 Emotion III-17 has four thumb buttons, a couple of which are pill-shaped, and it has a left pinky button (plus a lanyard loop).
The P12 Pro-Remix is Haute42's third rendition of this controller, and its interpretation of the retro Nintendo aesthetic is quite faithful.