Artur (b. February 1, 2011) is the son of King Orin and Queen Mera of Atlantis.
Mera brought her son to a playdate at Barry and Iris' house. They were the first to arrive and he kept himself busy reading comics and playing with Anissa Pierce and Traya.
- Arthur, Jr., also known as Aquababy, was the youngest member of the Aquaman family. In the iconic story arc "Death of a Prince", he was murdered by Black Manta.
- This is second animated appearance. He appeared as a teenager in Batman: The Brave and the Bold.