孤
=
孑
+
瓜
:
Gitta Giraffe (gu) is currently the space station's lone (孤) inhabitant. To feel less lonely (孤), she drew a mosquito's (孑) face on a melon (瓜) to have somebody to talk to in front of the space station (Ø1).
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).
院
=
完
+
阝
:
The pope (阝) wants to join the cloister (寺院), but first he has to pass Yu the Great's (yu) test. He has to run as fast as he can from Vatikan City to the anthill's bathroom (an4), where the entrance to the cloister is. As he arrives at the bathroom huffing and puffing, Yu the Great is waving with a checkered flag.