堵

dǔ = du + Ø3

to block up (a road, pipe etc) / to stop up (a hole) / (fig.) (of a person) choked up with anxiety or stress / wall (literary) / (classifier for walls)

堵 = 土 + 者 : Louis XIV (者) built castle walls (堵) out of dirt (土) in the space station (Ø3), but now since the passage through the space station is blocked (堵), every morning when Doggy Dog (du) commutes to work he gets stuck in a traffic jam (堵) caused by the castle walls.

堵 character breakdown

堵
- 土
  - 一
  - 十
    - 一
    - 丨
- 者
  - 日
    - 一
    - 囗
  - ⺹
    - 丿
    - 土
      - 一
      - 十
        
        一
        
        丨

土

tǔ = tu + Ø3

Tu (ethnic group) / surname Tu

土

tǔ = tu + Ø3

earth / dust / clay / local / indigenous / crude opium / unsophisticated / one of the eight categories of ancient musical instruments 八音[ba1 yin1]

土 = 十 + 一 : Tommy Turtle (tu) wants to fix a cross (十) on a flute (一) in the space station's living room (Ø3). He uses dust and clay (土) to hold them together.

者

zhě = zh + e3

(after a verb or adjective) one who (is) ... / (after a noun) person involved in ... / -er / -ist / (used after a number or 後|后[hou4] or 前[qian2] to refer to sth mentioned previously) / (used after a term, to mark a pause before defining the term) / (old) (used at the end of a command) / (old) this

者 = ⺹ + 日 : Mnemonic symbol: the sun (日) is wearing a crown (⺹). This reminds me of Louis XIV, le Roi Soleil, the Sun King, which will thus be the mnemonic symbol for 者. The crown (⺹) wearing sun (日), the Sun King (者) and James II of England (zh) are taking part in a writing contest in the elevator's living room (e3) to see who of them is the best author (作者).