One that I don't see misspelled, but rather, mis-pronounced is:
Alekhine
I've heard: Alakeen, Alakine, Alkaline (yes, I've heard people call him what they call the battery), Aliakin (or Ali Achin'), etc.
It's about as bad as the Cuban Singer. Gloria what?
Es' te fon
Es' te fin
E stef' on
E stef' in
Note the accent on the first syllable in the first 2, second syllable in the latter 2.
^Win
I thought Bent Larsen's first name was a typo the first time I saw it. Same for Paul Morphy's last name
And how about Pal Benko?
funny though... pal ;)
I thought that was PUNny