Imp
/ɪmp/
noun
A small, mischievous sprite, or a malevolent supernatural creature, somewhat comparable to a demon but smaller and less powerful.
A mischievous child.
A baby Tasmanian devil.
Synonyms: brat, little dickens, urchin
verb
To plant or engraft.
To graft, implant; to set or fix.
To engraft (feathers) into a bird's wing.