Splinter
Although a little bit modified, there is a turtle shell that's on a mustache with this radical. The only thing with a mustache that hangs around turtles is Splinter, the giant rat from Teenage Mutant Ninja Turtles. So this radical is Splinter (the giant rat).
An update is needed before you can continue but you have more than one WaniKani tab open.
Finish up what ever you are doing on the other tab(s), then close them to continue.
The update will complete automatically once the other tab(s) are closed.