King Boo - The Mischievous Ghost King from Mario Games #3254103 (License: Personal Use)

King Boo is a recurring antagonist in the Mario franchise, particularly in Luigi’s Mansion and Mario Party titles. He appears as a large, spherical white ghost wearing a regal golden crown adorned with blue and red jewels, sporting sharp fangs, narrowed eyes, and a long, protruding pink tongue. His exaggerated expression conveys both menace and comedic flair, embodying the series’ blend of spooky and lighthearted themes.

This image is commonly used on gaming wikis, fan sites, merchandise pages, or character galleries related to Nintendo’s Mario universe. It serves users seeking visual identification, trivia, or nostalgic engagement with Luigi’s Mansion or Mario Party content.