Little rascal (9)
(Other definitions for scallywag that I've seen before include "Good-for-nothing - undersized animal" , "Mischievous person" , "Scamp" , "A slangy rascal" , "Scoundrel" .)
(Other definitions for stinker that I've seen before include "Unpleasant person - difficult task" , "Difficult problem" , "Very hard task" , "no easy thing" , "Terrible job" .)