Channel Letter Font?

[Arlo Kalon 2.0]

Another sign company made these, and we are being requested to make another set with different copy - BUT in this same font. I'm beginning to feel these may be a custom design letter, but figured you guys were worth a shot?

 

[GK]

Looks like a tweaked Serpentine.

 

[Tiki]

Air Millhouse

 

[GK]

^
|___________he's good lol

 

[Arlo Kalon 2.0]

Air Millhouse

DUDE YOU ROCK!!!!!!!!!! You just made me look like a genius to powers that be - THANKS!!