Playful
Part of speech: adjective
Definition: liking play, prone to play frequently, such as a child or kitten; rather sportive. funny, humorous, jesting, frolicsome. fun, recreational, not serious. experimental.
Example sentence: I don't think my personality will change. No matter how much time passes or how old I get, I'd like to be considered a playful person to everyone.
Mischievous
Part of speech: adjective
Definition: Causing mischief, troublesome, cheeky, badly behaved.
Example sentence: I've never been reckless - it's always calculated. I'm mischievous, but I'm calculated.