whimsical illustration of a happy shark standing...

A whimsical illustration of a happy shark standing on the beach wearing bright blue Nike sneakers on all four limbs. The scene has a warm, cartoon-like style with pastel colors. The ocean waves gently crash in the background, and a few seagulls fly in the sky with fluffy clouds. The shark has a friendly, slightly goofy expression, blending realism with a humorous, surreal twist.