Barney humor
Given: Barney is a CUTE PURPLE DINOSAUR.
Given: Romans didn't have the letter U in their
alphabet, so they replaced it with the letter V.
That makes Barney a CVTE PVRPLE DINOSAVR.
Extract the roman numerals: C, V, V, L, D, I, V
Take their decimal values: 100, 5, 5, 50, 500, 1, 5
Add them up: 100 + 5 + 5 + 50 + 500 + 1 + 5 = 666
Proved: Barney is Satan!