庸人

庸 = 广 + 用 + 肀 : Yu the Great (yu) crashes with her parachute (广) in front of the engine ((e)ng1) and breaks her leg. Luckily she finds a first aid kit (用) right away, but inside there is just an ordinary (庸) crayon (肀) which she has no use (庸) for.

人 = 丿 + ㇏ : Mnemonic symbol: Neanderthal Man (人). Robinson Crusoe (r-) is looking for snacks in the encampment's kitchen (-en2) when he suddenly spots Neanderthal Man (人). Neanderthal Man offers him a banana (丿), but Robinson Crusoe doesn't trust the present and pokes it with a finger (㇏).