Question is too vague to be answered confidently.
"Troublemaker" is not a positive character trait. It typically refers to someone who causes problems or difficulties for others intentionally.
The antagonist
Both Hades and Poseidon causes trouble for Zeus,but Poseidon causes more trouble than Hades.
The soldier in "Pride and Prejudice" is named Mr. George Wickham. He is a charming and manipulative character who causes trouble for the Bennett family throughout the novel.
The Joy Cowley book that features the character Hannibal Megasaurus is "Red-Eyed Tree Frog." Hannibal Megasaurus is a mischievous dinosaur who causes trouble in the story.
something that causes discomfort or trouble
The main symptom of Asthma in children is Wheezing, that is 'trouble in breathing'. Asthma causes a clog in the airways of human respiratory system that causes the trouble in breathing.
He breaks his parents things and causes trouble.
Nothing,as elves aren't really there.
Religion
The badger in Beatrix Potter's stories is named Tommy Brock. He appears in the book "The Tale of Mr. Tod" as a grumpy and mischievous character who often causes trouble for the other animals in the woods.
catastrophe