Os wyt ti'n dathlu dy ben-blwydd, dyma gyfle i ti weld dy lun ar Cyw. If you're celebrating your birthday, you may be lucky enough to see your photo on today's Cyw!

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Anturiaethau Tomos a'i ffrindiau. The adventures of Tomos and friends. Anturiaethau Tomos a'i ffrindiau. The adventures of Tomos and friends.