Gato, to me, just makes me think "cat", which kind of has a fun ring along "cats on the internet". IMO it sounds more friendly than a robot with a robo-name like C-3PO!

However, I also have a nice robot-named-Gato association[1] from Chrono Trigger. :)

[1] https://i.ytimg.com/vi/ho1TPf2Vj3k/hqdefault.jpg