Napster founder Sean Parker is a new dad - his wife Alexandra gave birth to the couple's second child on Monday (01Dec14).

The Internet mogul announced the happy news via social media on Wednesday (03Dec14), revealing he and his wife had decided to call their son Zephyr Emerson Parker.

Parker, who was portrayed by Justin Timberlake in The Social Network, also posted a photo of his newborn.

The Napster visionary and his wife are already parents to daughter Winter Victoria, who turns two next month (Jan15).