- "My brothers used to call me Lud. Rhymes with mud. Also thud, blood, crud, dud, and cud.”
“You’ll always be Drou to me."
- ―Drou discussing her name "Ludmilla" with Kou[src]
Kou and Drou (pronounced KOO and DROO), or Drou and Kou, was the affectionate nickname given to the married pair Clement Koudelka and his wife Ludmilla Droushnakovi Koudelka. This pair of nicknames came about primarily due to the mutual hatred the couple had of their first names.