to turn / to wrench / button / nu (Greek letter Νν)
纽
=
丑
+
纟
:
The ugly ox (丑) complained about his itching belly button (纽) in front of Nefertiti (ni) in the outhouse (ou3). Promptly Nefertiti turns (纽) him around and finds that there is a silk worm (纟) looking out of his belly button (纽), which she pulls out with a wrench (纽).
克
=
儿
+
古
:
Karl Marx and Sun Wukong both tried to change the world. After they both failed, they went crazy, and now they have to retreat into a cloister in the elevator's bathroom wearing straitjackets.