盾

盾 = ⺁ + 十 + 目 : Doggy Dog (du) urgently has to visit the bathroom so he storms into the encampment's bathroom ((e)n4) to pee on the banana tree (⺁), but the eye of providence (目) is determined to protect the tree standing guard armed with a cross (十) and protected by a shield (盾). The eye of providence is so determined to stop Doggy Dog because it'll have to clean the bathroom later.

十 = 一 + 丨 : Mnemonic symbol: a holy cross. Sherlock Holmes (sh-) is investigating a very strange thing he found in the kitchen of the space station (-2): A big pyramid made of ten (十) crosses (十), which are in turn made out of flutes (一) and dinosaur bones (丨).

目 = 囗 + 二 : Mnemonic symbol: the Eye of Providence (目).

Malte Monkey (mu-) is unpacking an enclosure (囗) full of capacitors (二). He's afraid that the Eye of Providence (目) will see him, so he does it secretly in the space station's bathroom (-Ø4).

⺁ = 丿 : Mnemonic symbol: two and more bananas (丿) are part of a larger banana tree (⺁).