四脚蛇

四 = 儿 + 囗 : Mnemonic symbol: a four-leaved clover. Socrates (s) is working out in the bathroom of the space station (Ø4). He's lifting four (四) wooden boxes (囗), and wonders why they are so heavy. He doesn't know that inside one of the four boxes, the monkey king (儿) is hiding and secretly laughing at him - until the monkey king comes out and surprises Socrates with a four-leaved clover (四).

脚 = 却 + 月 : In the aorta Joan of Arc wanted to play a prank on the moon and kick him in the ass while he's inattentive for a second, but when she kicked him she just hurt her foot, and the moon didn't even notice. Silently, she retreats for now, limping on her hurt foot.

蛇 = 它 + 虫 : Sherlock Holmes (sh) is investigating the death of a mosquito (虫) in the elevator's kitchen (e2). He took a blood sample from the mosquito and analyzes it with his computer (它). It turns out that the mosquito stung the venomous snake (蛇) which is sleeping across the hall, and the venom killed the mosquito.