Vampire Diaries' Matt Davis on the Origins of His Ernesto Riley Twitter Handle at the Crimson Sky Con (VIDEO) Tweet June 18, 2012 by Jenny McGrath Related: The Vampire Diaries, Matt Davis Credit: YouTube Ever wonder why Vampire Diaries' Matt Davis calls himself Ernesto Riley on Twitter? He explained at the Crimson Sky Convention on June 16, 2012. Mostly. Need your daily Vampire Diaries fix? Like us on our Facebook page, or follow us on Twitter!