a cheerful hedgehog in a purple hat with autumn leaves, in a delightful doodle style for an autumn-themed banner

cheerful hedgehog purple hat autumn leaves delightful doodle style autumnthemed banner fall joyful spikey cute headwear season picture design friendly artistic foliage festive art adorable adorning drawn festivity beautiful quill autumnal illustration whimsical creative charming quaint leafy seasonal pretty hatful flower pleasant crafty warmhearted decorative leaf decorated artwork ai generated