Het should also be in front, as he's a good scout and also a dead shot with the sling if he has room. Once he gets off a shot, he'll slink back to the second or third row and let others do that melee thing.
Gunther can go anywhere.
the Medium (MV 12", AC 9, HD 1, hp 4/4, FC Man, L) dagger+torch
, The Mellifluent Concord