In honor of today's cornonation inauguration, Rollertrain helpfully provides a handy guide to distinguishing between America's two favorite Jennas ... because even we get confused sometimes: "The most obvious shared characteristic is that, at some point, their fathers have both led lives of crime. The second characteristic is that both girls are wild and probably dangerous. The third is that their misguided parents named them both Jenna. But the list does go on."

"Jenna Vs. Jenna" (Rollertrain)

See also: "Jenna Bush: Spawn of Satan?" (Boing Boing)

Previously: JennaWatch: "Krystal Method" Billboard, Jenna Bush Booty Alert, Jenna's Booty Revealed!, A Tale of Two Jennas