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.
刂
=
丨
+
亅
:
Mnemonic symbol: a kitchen knife. Don Quixote (d) is showing off his special knifes in front of the aorta (ao1). One is made from a dinosaur bone (丨), and the other is made from a crowbar (亅).