A boy and his giant robot friend [Brave Police J-Decker]

J-Decker it's a pretty good series that's part of the larger Brave franchise in the 90s that can be cute, funny and sometimes even serious to watch, it's a great recommend to watch especially if you like Transformers. The Brave franchise in general is amazing. Series like Exkaiser, Da-Garn, Goldran, and GaoGaiGar are really amazing in its own right.

Shows like this from Sunrise are such classics. It's quite interesting to see how much keep the same format (especially something like the dual Robot/Boy protagonists) and still experiment a bit to keep it fresh.