[Softers] As in feeble minds? NO
[INJ] A bipedal brain? NO
[GL] That, my friend, is a jolly good question. My answer must be that the subject exists but at the same time it doesn't. Therefore I am forced to YES
[Tuj] The one and only? YES
[Chalky] It is well known but it's not, other than by its description, that which you intimate. Ergo NO

[Tuj] To be brutal and honest - NO

I've got to say I'm much better at throwing the odd curveball in than staging an inquisition myself! Maybe I should set my watch to HMT so I know when Rosie's due...

[Tuj] That could well depend on the hours that Rosie's publican keeps combined with the depth of snow and black ice?
Invented? Not in the sense of the wheel, the steam engine or the loom, but invented it is. YES

Ah, good international weather awareness! I can't imagine Rosie'd think a pub too bad a place to be snowed in.

[GL] YES

[Tuj] Sorry, I missed your last. Cultural or otherwise NO

(e.g.the last mammoth)
I think under the circumstances I can allow myself to stack up questions - normally I'd wait for another intervening one.

[INJ] à la carte? NO
[INJv2] Given the situation I have no objection, ImNotJohn, but it's really up to the other participants.
In the sense that it is unique of its kind (although it has competitors in the fame stakes) YES
*audience is now stirring and seems to be taking a little more interest*
[GL] NO

Ooh heck, you do toss down the odd googly don't you?
In itself I would have to answer NO but in practical sense I would be inclined to YES
In other words the question is a wee bit too loose to pass a definitive judgment.

[Projoy] I would refer you to my earlier answer to Gusset Login relative to alphabetical verbiage. So NO

[Projoy] I will relent on my previous comment - but only to the extent that someone named it. To find out who did the deed I would need some more research, but I think that the effort would be pointless.
*The audience has reverted to its (or their) original attitude - heads up and staring at the roof of the auditorium*

Rather than real but not pin-downable.

[INJ] A viewpoint? YES
*Lots of movement and a few murmurs in the dress circle*
[GL] Triple plus NO
[INJ] A three ring circus? NO

[Projoy] Sorry, I've done it again.
A part of a mammalian species? NO
CLUE: The animal portion refers to a particular mammal but not to one of its named variations.