Naming cars? No, but I do invent various means of remembering registration by acronyms.
Various past ones include - DRT ---Y - Yes, it was usually dirty!
--- GGD Goody Gum Drops
SK--- WWD Wild West Doc
ST0- LNK Stolen Kar
SK-- GXP Great EXPense
LD13 XXX Lethal Dose 13
None of these was an Audi,but the worst driving I saw recently was from some twit in an underpowered Dacia who decided to overtake me at very great time duration on a blind summit in West Lothian: he would have been minced if anything had come the other way!