When it blends into its surroundings like that, it is known as a Comma Chameleon, as first identified by Mr. B. George during the 1980s.

Oh, well played, very well played. I doff my hat.

When it blends into its surroundings like that, it is known as a Comma Chameleon, as first identified by Mr. B. George during the 1980s.

I consider myself a pedant, and can get very frustrated about absent commas, especially online. I agree that "Enter, Stranger" would be better with a comma. However, I wouldn't want punctuative concern to overshadow the generosity of the competition. I hope that both TShirts365 and this forum benefit with increased activity.

Of course, "Enter stranger" is not strictly grammatically correct either, as "stranger" here is being used as a comparative adjective, and therefore should not be used to modify a verb, like "enter". The correct statement, using the comparative adverb form of "strange", would be "enter more strangely".

That depends on which interpretation of "Enter Stranger" you are using. The latter option I gave still uses 'stranger' as a noun and is therefore fine. Whilst "Enter more strangely" would be a more correct version of the former option, "Enter Stranger" is not grammatically incorrect in that sense, but is instead syntactically incorrect. I think. I'm a little hazy on the more obscure technicalities of English these days.

Sorry to be even more pedantic, but I'm bored too - I've run out of QI entries to mark!

Ditto. Except for the bit about marking QI entries.

Sorry to be even more pedantic, but I'm bored too - I've run out of QI entries to mark!