An enchanting birthday-themed illustration displays a charismatic blue hedgehog, not Sonic, participating in a multi-sport endurance event. The celebratory atmosphere is heightened by multicolored balloons and confetti. The dynamic hedgehog speeds along a track in his running shoes, shifts effortlessly onto a bicycle for a thrilling cycling component, and ultimately plunges into a crystal-clear pool for the swimming division. The scene brims with vitality and vivid hues, encapsulating the quickness of the hedgehog and the jubilation of a birthday celebration.

Generated with these themes: Sonic hedgehog , Cycling, Swimming, and Running.

Made with ❤️ by AI.