blockhead, dolt

DUNCE
WordClue
FATHEADdunce, lout
PINHEADdumbbell, dunce
DUMBBELLpinhead, dunce
BLOCKHEADdunce, dolt
LAMEBRAINdunce, blockhead
CHANGELINGoaf
LOAFblock of bread after baking
GUYbloke, homey