uncle / father's younger brother / husband's younger brother / Taiwan pr. [shu2]
叔
=
上
+
小
+
又
:
Mnemonic symbol: Arthur Schopenhauer, 叔本华.
Sheldon Shrimp's (shu) uncle (叔), Arthur Schopenhauer (叔), is teaching him how to box in front of the space station (Ø1). On top (上) of a giant daisy (小), they are boxing wearing boxing gloves (又).