DALL-E 3 PROMPT USED: Create a detailed 1024 pixels by 1024 pixels 8-bit pixel art avatar of an elderly Caucasian man from shoulders up. He is dressed as a High School Teacher, evidencing his occupation by carrying signature accessories like glasses and a book. His expression is lively and content, as he's joyfully eating ice cream. Make sure the lighting and pixel representation capture all the essential details of his face, attire, and the ice cream. The entire image should be used, ensuring that the avatar is centered and adequately large.