2/4 Hand against maniac (78/25) idiot - sick spot

[OhioSt2k]

Maniac (78/24 over 100 hands) bets crazy amounts and likes to bluff with huge bets we have some history and I will post the tough hand decision and then the 2 hands of history we have together.

What to do here?
Poker Stars - No Limit Hold'em Cash Game - $2/$4 Blinds - 5 Players - (LegoPoker Hand History Converter)

SB: $1,245.25
BB: $830.35
UTG: $479.75
CO: $418.00
Hero (BTN): $598.00

Preflop: Hero is dealt A[img]/images/graemlins/heart.gif[/img] Q[img]/images/graemlins/heart.gif[/img] (5 Players)
UTG folds, <font color="red">CO raises to $8.00</font>, <font color="red">Hero raises to $36.00</font>, SB folds, BB calls $32.00, CO calls $28.00

Flop: ($110) 2[img]/images/graemlins/spade.gif[/img] T[img]/images/graemlins/spade.gif[/img] Q[img]/images/graemlins/spade.gif[/img] (3 Players)
BB checks, CO checks, <font color="red">Hero bets $78.00</font>, <font color="red">BB raises to $156.00</font>, Hero is lost???

Hand 1
Don't like the turn but this guy is just bad.

Poker Stars - No Limit Hold'em Cash Game - $2/$4 Blinds - 6 Players - (LegoPoker Hand History Converter)

Hero (SB): $561.00
BB: $982.15
UTG: $394.00
MP: $546.45
CO: $523.35
BTN: $471.40

Preflop: Hero is dealt 7[img]/images/graemlins/heart.gif[/img] Q[img]/images/graemlins/heart.gif[/img] (6 Players)
UTG folds, MP calls $4.00, CO calls $4.00, BTN calls $4.00, Hero calls $2.00, BB checks

Flop: ($20) J[img]/images/graemlins/diamond.gif[/img] Q[img]/images/graemlins/spade.gif[/img] 7[img]/images/graemlins/club.gif[/img] (5 Players)
<font color="red">Hero bets $16.00</font>, BB folds, <font color="red">MP raises to $32.00</font>, 2 folds, <font color="red">Hero raises to $100.00</font>, MP calls $68.00

Turn: ($220) 9[img]/images/graemlins/club.gif[/img] (2 Players)
<font color="red">Hero bets $185.00</font>, MP folds



Hand 2
We felt he has either a bluff or a 4 and that we are good enough times to make the call.
Poker Stars - No Limit Hold'em Cash Game - $2/$4 Blinds - 6 Players - (LegoPoker Hand History Converter)

SB: $913.45
BB: $400.00
UTG: $692.00
MP: $565.35
CO: $517.40
Hero (BTN): $400.00

Preflop: Hero is dealt 5[img]/images/graemlins/spade.gif[/img] 5[img]/images/graemlins/club.gif[/img] (6 Players)
<font color="red">UTG raises to $8.00</font>, MP folds, CO calls $8.00, Hero calls $8.00, SB calls $6.00, BB folds

Flop: ($36) 4[img]/images/graemlins/heart.gif[/img] T[img]/images/graemlins/spade.gif[/img] 3[img]/images/graemlins/heart.gif[/img] (4 Players)
SB checks, UTG checks, CO checks, Hero checks

Turn: ($36) T[img]/images/graemlins/club.gif[/img] (4 Players)
SB checks, <font color="red">UTG bets $32.00</font>, CO folds, Hero calls $32.00, SB folds

River: ($100) 4[img]/images/graemlins/diamond.gif[/img] (2 Players)
<font color="red">UTG bets $108.00</font>, Hero calls $108.00

Pot Size: $316.00 ($3 Rake)