In the Star Wars Legends timeline, Obi-Wan just called himself "Ben" when he came to Tatooine, but a villager overheard him say his last name while he was trying to communicate with Qui-Gon Jinn's ...
The name "Baby Yoda" stuck so much that even his official name of Grogu doesn't quite ... Obi-Wan Kenobi, a wise and skilled Jedi who studied under Qui-Gon Jinn and mentors both Anakin and Luke ...