Optimus Prime, the iconic Transformers character, wearing a colorful party hat with polka dots, surrounded by festive decorations like balloons and a birthday cake with lit candles

A vibrant and playful illustration of Optimus Prime, the iconic Transformer, wearing a colorful birthday hat on top of his head

Optimus Prime, the iconic transformer character, wearing a colorful birthday hat adorned with festive patterns and a bright pom-pom on top