Tsuruya Haruka, often referred to as Tsuruya-san, is a lively and cheerful character from the anime series 'Suzumiya Haruhi no Yuuutsu' (The Melancholy of Haruhi Suzumiya). Known for her distinctive laugh and energetic personality, she is a close friend of Mikuru Asahina and attends the same high school as the main characters. Although not a member of the SOS Brigade, she occasionally interacts with the group, providing comic relief and supporting her friends. Tsuruya is admired for her intelligence, athleticism, and her ability to remain carefree in any situation.