That kind of reminds me of when I worked at [REDACTED]... The person who was responsible for the text engine of the graphics package we were working on was also (1) the worst speller I've ever seen, and (2) the CEO of the company. Since he was the boss, no one could really tell him how horrible of a speller he was, much less that someone with such abysmal spelling should be responsible for things in the application relating to text. Like the spell checker, for example.
So two examples come to mind:
1) There actually was a procedure in the application defined as "bool WordIsReallyMisspeeled(char* str)". I 'm pretty sure that wasn't on purpose.
2) The CEO kept misspelling "bezier" as "beizer", which ended up being a problem for constant definitions and whatnot. In order to not have to worry about it, the following line appeared in the first include file:
#define BEIZER BEZIER
So now he could spell it wrong as often as he liked.