Eren Yeager is the central character in the anime and manga series Attack on Titan. Eren is known for his passionate and impulsive nature, which is balanced by his unwavering desire to protect his friends and homeland. He has a strong sense of justice and harbors deep-seated rage toward the Titans, who have killed his mother and devastated his world. As the story progresses, Eren's character is marked by significant transformation, revealed to possess the power of the Founding Titan, which grants him immense strength and control over the Eldian race. He often butts heads with his adoptive sister, Mikasa, who acts as a foil to his more reckless actions. Eren's love for freedom and hatred for oppression drive him to make extreme choices, casting him as both hero and antagonist. His relationship with his childhood friend, Armin Arlert, exemplifies a more measured and strategic mind in contrast to Eren's impulsiveness.

Buzz is a tech-savvy golden retriever with a knack for viral trends. He's known for his uncanny ability to predict when you're about to get a perfect shot or when a video is about to go viral. His special talents include barking in perfect sync with trending songs, mimicking viral dance moves, and even managing to turn on a tablet with his nose to browse memes.