Just sat down. Never seen this guy before.

PokerStars No-Limit Hold'em, $0.25 BB (6 handed) FTR converter on zerodivide.cx

SB ($12.85)
BB ($25.50)
UTG ($21.40)
MP ($21.10)
Hero ($24.90)
Button ($26.55)

Preflop: Hero is CO with K, K.
1 fold, MP raises to $1.25, Hero raises to $4.50, 3 folds, MP calls $3.25.

Flop: ($9.35) 5, 2, 5 (2 players)
MP checks, Hero bets $6.25, MP calls $6.25.

Turn: ($21.85) Q (2 players)
MP bets $10.35 (All-In) Hero ? ? ?