亻
=
丿
+
丨
:
Mnemonic symbol: Rosa Luxemburg. She's quite radical, and her name starts with "r", just like "ren2". Also, 亻appears at the left-hand side of characters, and Rosa is a leftist as well.
Robinson Crusoe (r) and Rosa Luxemburg (亻) are having their favorite snacks in the encampment's kitchen: Rosa is eating a banana (丿) and Robinson is eating a dinosaur bone (丨).
Gitta Giraffe (gu) is being haunted by a demon (鬼) in the Eiffel Tower (ei3). She has to hide in the nostril of a fake nose (厶) and wave a white flag (白), but one day Sun Wukong (儿) arrives and drives the demon away.