毫不客气

毫 = 亠 + 口 + 冖 + 毛 : Hamlet (h) is drawing a painting just inside the aorta's kitchen (ao2). He put on an beret (亠) to look like a real painter, and he uses a cooking top (冖) as canvas for his painting. With a big hairy (毛) brush (毫) He is painting a hairy (毛) mandarin (口) in the cooking top (冖).

不 = 丆 + 卜 : Bruno Bear (bu) is setting up a wind wheel (丆) with a voodoo staff (卜) in the space station's bathroom (Ø4). He also puts a "forbidden" sign (mnemonic symbol for 不) on it, to make clear that it may not (不) be stopped.

客 = 各 + 宀 : Karl Marx (k) is receiving a visitor in the elevator's bathroom (e4). His guest is wearing a graduation cap (宀) and a dress made of stars (各).

Mnemonic symbol: a balloon. The Queen of Hearts is disappointed by her balloons. She expected them to float upwards, but in the space station's bathroom, They float randomly in all directions.