His parents originally planned to name him Natasha, until discovering he was going to be a boy. Therefore, he was named Nathaniel Pietro after Pietro Maximoff, who sacrificed himself while saving Clint in battle.
- Natasha Romanoff/Black Widow - Family Friend, Honorary Aunt and Namesake
- Pietro Maximoff/Quicksilver † - Namesake
- Before he was known to be a boy, Nathaniel's name was planned to be "Natasha".
- In the Ultimate Marvel comics, Clint and Laura's younger son is named Lewis Barton. His mother, his siblings and himself were murdered by a black ops team that was led in Barton's home by a traitor within the Ultimates, an alternate version of the Avengers.
- In the animated film Next Avengers, Hawkeye has a son called Francis Barton. He is also seen in the comics as part of one possible future timeline.