Your ingress username is being reserved for Pokemon Go

Niantic Labs is informing "agents" that they can claim their same usernames to use on Pokemon Go. Make sure you get it before times runs out!

Pokemon Go, Ingress and Other Popular Game Application Icons

Pokemon Go To Receive New Social Features Niantic Has Been Testing

Laws 'Pokemon Go' and 'Ingress' players need to know

Using Ingress app as a Pokémon Go Maphack to find rare Pokémon

Wish Pokémon Go were better? Welcome to Ingress - Polygon

Using Ingress app as a Pokémon Go Maphack to find rare Pokémon

Your Niantic Profile — Pokémon GO Help Center

Ingress usernames are reserved for Pokemon Go : r/pokemongo

Niantic's Campfire social AR app rolls out for 'Pokémon Go' players

Ingress codename on your Niantic Profile — Ingress