Kobo is a supporting character in the anime Plus-Sized Elf. Originally mistaken for a hobbit in her first appearance, she is later identified as a kobold. Her background reveals that she was abandoned by her parents for reasons that remain unexplained within the story. She has a crafty and rude personality, and despite looking like a young child, her mannerisms and speech patterns indicate a more mature and cunning mind. Her primary motivations revolve around a love for treasure and all things shiny, which she pursues by extorting sweets and junk food from human children. She establishes herself in the story by taking control of a local playground and demanding candy from children who wish to play there. Through overindulging in these sugary treats, she has gained considerable weight, placing her alongside the other fantasy creatures who are under the dietary and fitness guidance of the main cast. Her key relationships are defined by her interactions with the children she exploits and the other fantasy beings adjusting to life in the human world. As a kobold, she possesses a distinct appearance characterized by pointed ears and a young form. Her notable abilities include her cunning, her skill at manipulation, and her determination to satisfy her gluttony and greed, which serve as the foundation for her comedic role in the series without significant character development, as she consistently remains a bratty and opportunistic trickster.