I've only been at the table for 6 hands but villain has been very active. So far he has played every hand. He has raised to 6BB 3 or 4 times and he just doubled up by calling an all-in PF with AJo.

The Ajo hand:

OnGame's Room No-Limit Hold'em, $4 BB (4 handed)

saw flop|saw showdown

UTG ($875.15)
Villain ($206.00)
SB ($570.25)
2 Thumbs Up ($388.00)

Preflop: 2 Thumbs Up is BB with K, Q.
1 fold, Villain raises to $25, SB raises to $220, 1 fold, Villain calls $181 (All-In).

Flop: ($430) 4, 2, A (2 players, 1 all-in)

Turn: ($430) 6 (2 players, 1 all-in)

River: ($430) 8 (2 players, 1 all-in)

Final Pot: $430

Results in white below:
Villain has Ac Jc (one pair, aces).
SB has Td Ah (one pair, aces).
Outcome: Villain wins $416. SB wins $14.

The hand in question:

OnGame's Room No-Limit Hold'em, $4 BB (4 handed)

saw flop|saw showdown

SB ($871.15)
Villain ($394.00)
UTG ($388.25)
2 Thumbs Up ($382.00)

Preflop: 2 Thumbs Up is Button with A, K.
1 fold, 2 Thumbs Up raises to $16, 1 fold, Villain raises $394, 2 Thumbs Up calls $366 (All-In).

Flop: ($778) 8, 5, 8 (2 players, 1 all-in)

Turn: ($778) T (2 players, 1 all-in)

River: ($778) 6 (2 players, 1 all-in)

Final Pot: $778