- An elf
- Brand of cola
- Elf
- Elf or fairy
- Elf-like creature
- Elfin creature
- Fairy
- Elfin creatures
- Fairies
- Impish persons
- Mischief-makers
- Mischievous spirits
- Mythical beings
- Nymphs
- Initiators
- Mischief-makers
- Ringleaders
- Troublemakers
- Bogy
- Goblin
- Imaginary imp
- Imaginary imp said to cause problems with WWII aircraft engines
- Mischief-maker
- Mischievous creature
- Mischievous invisible being
- Annoying
- Annoying when Russian money is stashed in heavy book
- Bother a few who are annoying
- Bothersome
- Causing annoyance
- Danger a bit annoying!
- Difficult