charming black and white line drawing of a crown with smiling dolphins and decorative banner

animal aquatic art artistic artwork banner black brand cartoon character charming cheerful circle creative crown cute decor decorative design details diagram digital dolphin dolphins drawing elegant elements expressive eye-catching fantasy font fun graphic graphics hand-drawn illustrations imaginative intricate joyful kids life line logo marine monochrome motif motifs nautical playful royal simple sketch smiling style stylish text theme unique vector vibrant wheel whimsical white wing