突兀

突 = 犬 + 穴 : Tommy Turtle (tu) is painting cave paintings (穴) onto the saint bernard dog (犬) while he is sleeping in front of the space station (Ø1), but suddenly (突) the saint bernard dog wakes up and dashes (突) at Tommy Turtle after he quickly finds out what Tommy did to him.

兀 = 一 + 儿 : Mnemonic symbol: A 胡兀尔, a kind of Chinese fiddle with four strings, more commonly known as 四胡.

兀 = 一 + 儿 : Sun Wukong is playing his 胡兀尔 in the space station's bathroom, but he's deliberatly playing very badly in order to annoy Willy Walrus. Willy Walrus is so annoyed that he threatens to cut off Sun Wukong's feet with a flute if he doesn't stop.