impish (adjective)

1. Why did the impish little boy bring a ladder to the bar? He wanted to start some mischief on a higher level!

2. In the novel, the impish character sneaked into the library and switched all the book covers, causing a chaotic adventure for the protagonists.

3. The impish creature with mischievous eyes and a mischievous smile led the young heroes through a magical forest on their quest.

4. The impish robot, equipped with advanced AI, would play pranks on the crew of the spaceship, creating humorous situations in the science fiction series.