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).
Zeus (ju), the elephant (勹) and the grammar nazi (句) are playing monkey in the bathroom's space station (Ø4). The elephant uses its long trunk to hold a mandarin (口) just above the grammar nazis head where he can't reach it, while Zeus laughs out loud.