HTC Evo4G.
Things with charging the EVO, first, after it is plugged in, put pressure on the top of the charge cord next to where it plugs into the phone. Two, flip the phone over. Three, after being plugged in, move it around a bunch of times, given three to four seconds each new position and wait for the light to come on. Four, get your third EVO and have charging issues like the second one did... wait, that's me.
I love this phone, but it does have quirks.