Technically the C64 had a 6510 in it, though of course the 6510 was essentially just a 6502 plus an extra I/O port and you're right that they really should have

Technically the C64 had a 6510 in it, though of course the 6510 was essentially just a 6502 plus an extra I/O port and you're right that they really should have mentioned it somewhere in the "variants" section of the 6502 writeup.