物竞天择

物 = 勿 + 牛 : Willy Walrus (w) wants to become a physicist (物) and does research about dark matter (物) in the space station's bathroom (Ø4). His motivation is to become a super villain and rule the world. Just as he is about to have a breakthrough, a huge black ox (牛) flying with the help of bat wings (勿) hits Willy with an oxerang and takes away the dark matter, saving the world.

竞 = 兄 + 立 : Apollo (兄) and Joan of Arc (ji) are competing (竞) in the engine's bathroom ((e)ng4). Each of them tries to smash as many vases (立) as fast as possible.

天 = 一 + 大 : Mother Teresa (ti) programmed a robot (大) to play a flute duet together with her in front of the anthill (an1). As they play their flutes (一) an angel (天) hears their heavenly tune and descends from heaven to listen to them.

择 = 丨 + 又 + 扌 + 二 : Zorro (z) has to select (择) his new weapon between two terrible choices (择) in the elevator's kitchen (e2): there is either a boxing glove (又) or a dinosaur bone (丨). He has to select one using a toy claw (扌), but he has to choose wisely: one of the items is hooked to a charged capacitor (二) which will shock Zorro should he take the wrong choice (择).