Hitchcock Who?

Puzzle	Incorrect guesses	Time to solve	Solve time (EST)
Hexagon	0	50h41m	Jan 29, 14:11
In Peter's Garden	2	54h19m	Jan 29, 17:49
Eye Test	0	10h10m	Jan 29, 21:40
Found Out Kitchener	2	81h43m	Jan 31, 21:13
Snake on Nine Keys	0	35h10m	Jan 31, 22:40