A dead certianty

Perhaps it's a form of viral advertising - promoting the next SF epic from James Cameron?!

Certian Doom - Warlord of the ancient race of Certians - unleashes his hordes to destroy the galaxy!

Then again, perhaps not ......

Perhaps whoever wrote it was a certin...

I have to laugh at the graffiti we have around here... such a laugh when it all goes wrong. I will be sitting on the council as an advisor on street crime and social impacts. My first suggestion will be to replace all walls and fences with new ones that carry at least a 50,000 word spell checker

Unfortunately a person needs to have at least a smattering of knowledge as to the order of the letters in the alphabet, and to know the different meanings of some words that sound the same; probably thinks a homophone is a gay telephone.

Or perhaps this person was in Cretian mood! or was Oo! Mad cretin!