悟空

悟 = 吾 + 忄 : Willy Walrus (w) is idly playing with a flail (忄) in the space station's bathroom (Ø4). Suddenly he realizes (悟) that his flail will be much more effective if he attaches a mandarin colored pentagram (吾) to the flail's head.

空 = 工 + 穴 : Mnemonic symbol: an air conditioner

空 = 工 + 穴 : In front of the engine, Karl Koala found some very special cave paintings. Using steel beams he constructs a protective cover. He also installs air conditioning to make the best environment possible to preserve the cave paintings.