a cheerful cartoon narwhal swimming happily in a sunny ocean environment with friendly expressions

narwhal cartoon ocean tusk swimming sea animal happy marine life underwater cheerful playful blue character aquatic friendly smiling fun soft colors whimsical creature cute fantasy nature wildlife imaginative tropical art colorful scene enchanting adorable vibrant storytelling creative design animated adventure unique environment joyful style happily sunny expressions swims joyfully showcasing long large face bright enhance atmosphere world generated