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.
儿
=
丿
+
乚
:
Mnemonic symbol: "son" (儿) sounds similar to "Sun" like in "Sun Wu Kong", so it's gonna be represented by the monkey king. Albert Einstein (Ø-) and Sun Wu Kong (儿) are fighting in the space station's kitchen (-Ø2). Their weapons: Albert Einstein has a shovel (乚), and Sun Wu Kong has a banana (丿).
古
=
十
+
口
:
Mnemonic symbol: at least on German maps, this character actually resembles a cloister.
Oh no! Gitta Giraffe (gu) found that the golden cross (十) broke off of the cloister (古) in the space station's living room (Ø3)! She skewers a mandarin (口) on top of the cloister so that she can skewer the broken off cross back on to fix it.
兢
=
克
:
As Joan of Arc (ji) is captured and disabled with two straitjackets (克) in front of the engine ((e)ng1) she is very fearful (兢) and apprehensive (兢) of the things to come.