Senses
小鬼 imp
a little demon or goblin; a low-ranking spirit in folklore often serving as a messenger or servant in the underworld
小鬼 little devil
an endearing or informal nickname for a child; a mischievous child
小鬼 villain
a metaphor for a person of low status who causes trouble or is difficult to deal with, often used in the idiom that 'one can easily deal with the king of hell, but it is hard to deal with his underlings'