A quick check between the Ultraman wiki and Kamen Rider Wiki says no, but that was the first thing I thought when I heard the guy's voice

https://www.youtube.com/watch?v=C36zc0spmxk Lots of good discussion out of this episode. Never a dull moment with Ex-aid.

Ex-Aid continues to gut punch every week with body blows

seeing the return of Lazer . . . man

i LOVED that he entered with Kiriya's trade mark flashy, whirling, kick-based offense

Masamune is toying with brave in a way. Brave was sad about what happen to saki. I feel Masamune is just using brave to do his dirty work for him. Masamune will trick everyone in someway and he might even destroy all of the proto gashats knowing that how main rider villains are.