"person" radical in Chinese characters (Kangxi radical 9)
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).
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).
Ni Guizhen or Ni Kwei-Tseng (1869 - 1931), mother of Song Ailing 宋藹齡|宋蔼龄[Song4 Ai3 ling2], Song Qingling 宋慶齡|宋庆龄[Song4 Qing4 ling2] and Song Meiling 宋美齡|宋美龄[Song4 Mei3 ling2]