反興奮劑

反 = ⺁ + 又 : A protester (mnemonic symbol for 反) makes a racket in the anthill's living room (an3). He's got a huge banana tree (⺁) with him and wants to protest against the exploitation of banana farm workers. Frankenstein's Monster (f) is annoyed by him and punches him with a boxing glove (又).

兴 = 小 + 一 + 八 : I would say this one looks definitely like a hedgehog, but since there's already a character for hedgehog, let's call this one a sea star.

兴 = 小 + 一 + 八 : Marie Curie found a sea star attached to a big eight ball in the engine's bathroom. As she is a curious and interested scientist, she wants to investigate the sea star, so she pokes it with a flute and tries to tickle it with a daisy.

奋 = 大 + 田 : Frankensteins Monster (f) and the robot (大) are exerting themselves (奋) by working on a field (田) in the encampment's bathroom ((e)n4).

剂 = 刂 + 齐 : Joan of Arc (ji) is preparing a dose (剂) of her medicine in the space station's bathroom (Ø4). Usually she uses a gong as a nice and flat surface to prepare her medicine, but today only the drum is ready (齐). She distributes her medicine evenly and nicely on the flat surface using a kitchen knife (刂).