Once in a blue moon!

Because Charley and Wilma are names of typhoons!

Consider the first alphabet of each word in the following sentences:

‘Okay now everybody!’ – ONE
‘The winner of’ – TWO
‘The Hardest Riddle Ever Event’ – THREE..
Thus the next statement should be denoting FOUR

Among all the 6 people, we have Fox Obama, from whose name, the initials are F.O.
UR will stand for Ultimate Riddler..

Hence, FOUR – Fox Obama Ultimate Riddler

Inverted 87

For a change!

4 – Four
a – a
Δ – Delta or change

Since there are just 2 barbers in this village, it means that each barber is going to the other one for his hair cut. Considering second barber’s hair are shabby, it means that the 1st barber doesn’t cut hair properly.

So, we should go to the 2nd barber (with shabby clothing).

A quill can’t write a single word.. it is the person who holds the quill who can write as many words as possible (with the available ink).

Spiderman!

Spy + derm (perm – p + d)  + an (ant – t)

Memory!

Brain!