This individual https://twitter.com/wongmjane just updated their profile pic to be transparent. They reverse engineer apps. I took that individual's photo they were using (attached) opened it in photoshop, put what I wanted, saved it, uploaded it, and it worked.
If you have a gmail account, you can append +XXXX with XXXX being whatever you want and it will go to the same email address.
For example, you could have an email address like email@example.com and then register accounts as firstname.lastname@example.org, email@example.com, etc
Emails to all three of those addresses will show up in the ...