bottom 2 pair, and interesting flop action

[Irish Mafia]

villain is F4zi or something (I played this hand this morning - so don't remember exactly). Anyway, he runs at about 23/15.5/2.8 or so. I don't remember ever playing him b4, but had about 400 hands on him. So not much of a read.

Full Tilt Poker - No Limit Hold'em Cash Game - $5/$10 Blinds - 6 Players - (LegoPoker Hand History Converter)

SB: $420.75
BB: $1,116.00
UTG: $2,057.50
MP: $2,152.50
CO: $1,353.25
Hero (BTN): $1,015.00

Preflop: Hero is dealt 4[img]/images/graemlins/spade.gif[/img] 2[img]/images/graemlins/spade.gif[/img] (6 Players)
3 folds, <font color="red">Hero raises to $35.00</font>, SB folds, BB calls $25.00

Flop: ($75) 5[img]/images/graemlins/diamond.gif[/img] 4[img]/images/graemlins/club.gif[/img] 2[img]/images/graemlins/diamond.gif[/img] (2 Players)
<font color="red">BB bets $50.00</font>, <font color="red">Hero raises to $200.00</font>, <font color="red">BB raises to $500.00</font>, [i]Hero [img]/images/graemlins/confused.gif[/img]