Overwatch's new character Echo now available on the PTR on PC

I have discovered that on the PTR all of the All-Stars skins are

Slick new robot hero Echo lands on the Overwatch roster next week

Developer Update, Introducing Echo

Blizzard talks Overwatch's Echo character, big-screen ambitions

PC (Page 252)

Echo Is Live In Overwatch's New Update, Marking The Final New

All Echo Skins, Emotes, Highlight Intro's and Golden Gun PTR

An Overwatch Pro's Guide to New Hero Echo - IGN

New PTR Patch Notes Possibly Introduces a Whole New Meta - Inven

Echo is officially Overwatch's final hero

PC (Page 271)

Just posted to @playoverwatch Instagram Story : r/Overwatch