Barney Math (G)
1) Given:
CUTE PURPLE DINOSAUR
2) Change all U's to V's (which is proper Latin anyway):
CVTE PVRPLE DINOSAVR
3) Extract all Roman Numerals:
C V V L D I V
4) Convert into Arabic values:
100 5 5 50 500 1 5
5) Add all the numbers:
666
Thus, Barney is Satan.