Ray 01

Ray 01 is a Shining Fighter robo and a member of the Ray Series. It is the mascot of Custom Robo Battle Revolution and also appears in Custom Robo Arena. It is a Normal Style robo in Battle Revolution and an Other Style robo in Arena. It is primarily used by the Hero in Battle Revolution.

Moveset
For Ray 01's neutral special, side special, and down special, if the input is held, it brings up a weapon wheel with 4 different guns, bombs, or pods, depending on the special move inputted. This means that Ray 01 has one up special and 4 different moves for each of the other special moves. Credit: https://gamefaqs.gamespot.com/boards/234547-super-smash-bros-ultimate/76879308