epic flickering

finally, ratchet and clank hat in tf2

You never know, pal. Do 'em as assurance.

Go Eat a Towel, there’s no way valve would add custom voice lines. However, it would be cool.

https://imgur.com/a/pACLtnR kind of like this

I'd say for this, less is more. Remove or add a style, to remove the goofy hands and single antenae. And it would look cool at least in my opinion.

Edit: If you could do it with something like the SAM text to speech software, that'd be fantastic.

You know, with how silly it is, I can see it as a halloween item. However, I'd ask you to step up and do what must be done with this:
Give it voice-lines.
Just demo it out, write out some quips or little lines, then read-em, record-em. It'd be the same as the zombie Archimedes, or the Brain Maggot for Soldier.

object on head

Might be okay without the screw at the top and the arms. It's just nothing special.

cool