The name that people see when you send your mail using Gmail is in Settings. Go to the Gear Wheel icon on the right of your Gmail.com page and click on it, then scroll down and click on Settings, you wil see a number of Headings that start with General, Labels etc. Click on the one that says Accounts and then Send Mail As: You can change this to what ever you like.
What is Amazon Go and will it come to the UK? The store without checkouts or queues