They reminded me of something, but I couldn't think of what. Donald Trump's hair? Sort of. A character from Sesame Street? I couldn't think of what one. A character from Fraggle Rock? I couldn't think of what one for that show either.
Finally I figured it out.
Fisher Price's Sing-a-Ma-Jigs.
Just for your entertainment here's a video of them covering Hey Jude. They are so odd!