西萬尼

西 = 兀 + 囗 : The wild west is largely recognized by the symbol of the cowboy hat.

西 = 兀 + 囗 : Marie Curie has gone crazy from the loneliness in space. In front of the space station, she sits inside of a large wooden box, wearing a cowboy hat and playing a 胡兀尔 fiddle, thinking that she's participating in a square dance in the wild west.

万 = 丆 + ㇆ : As mnemonic symbol I choose a neuron, since each neuron is said to connect to 10000 others.

万 = 丆 + ㇆ : Willy Walrus needs to dig up the floor in the anthill's bathroom, but he is tired of doing so manually with a plough. To make his life easier, he sets up a wind wheel for electricity, connects a neuron to the wind wheel and the plough to transmit the electricity and uses his new DIY electric plough to dig much faster.

尼 = 匕 + 尸 : Nefertiti is trying to escape the space station, because she is being haunted by a ghost. She's already at the entrance, where she meets the Bhuddist nun, which immediately attacks the ghost with a large ladle.