Well, this is the most clever play on words that I could possibly think of. Don’t judge!
The Oxford comma may be the most hotly-contested punctuation since……….well, ever. The Oxford comma is also widely known as the serial comma, and according to http://oxforddictionaries.com, “[t]he ‘Oxford comma’ is an optional comma before the word ‘and’ at the end of a list….It’s known as the Oxford comma because it was traditionally used by printers, readers, and editors at Oxford University Press.”
This cartoon depicts the importance of the Oxford comma. This is not to be taken lightly.
That explains the Oxford comma, but what about the Comma Chameleon? This is a shout-out to Boy George and his iconic song “Karma Chameleon” from sometime in the 1980s. Here’s a youtube video:
And lastly, the comma chameleon is a person, like me, who sometimes uses the Oxford comma, and sometimes doesn’t. I’m chameleon-like in that way. I guess I’m also nerd-like in that way:
oxfordcommachameleon 
As a militant Oxford comma-ist, I find this post awesome.