imp (n.)
- appendage
- arm
- banshee
- booger
- bough
- branch
- brat
- brownie
- buffoon
- bugger
- devil
- dwarf
- elf
- fairy
- fay
- gamin
- gnome
- goblin
- gremlin
- hand
- hob
- hobgoblin
- hood
- hoodlum
- hooligan
- joint
- joker
- jokester
- knave
- leg
- leprechaun
- limb
- link
- lobe
- lobule
- member
- minx
- mischief
- mischief-maker
- monkey
- offshoot
- organ
- peri
- pinion
- pixie
- poltergeist
- prankster
- puck
- punk
- ramification
- rapscallion
- rascal
- rogue
- rowdy
- ruffian
- runner
- scamp
- scapegrace
- scion
- spray
- sprig
- sprite
- spur
- switch
- sylph
- tail
- tendril
- troll
- twig
- urchin
- wag
- whippersnapper
- wing
