Task: Analyze the tweet's emotional connotations and classify it as either 'neutral or no emotion' or as one or more of the specified emotions (anger, anticipation, disgust, fear, joy, love, optimism, pessimism, sadness, surprise, trust) that best portray the tweeter's mental state.
Tweet: If I was a ghost I'd haunt people by giving them cramps in both of their legs when they do cardio 😈😈😈 #Mwahaha
This tweet contains emotions: 
fear, joy