POP may refer to any of the following: 1. Short for Post Office Protocol, POP or POP mail is one of the most commonly used protocols used to receive e-mail on many e-mail clients. There are two different versions of POP: POP2 and POP3. POP2 was an early standard of POP that was only capable of receiving e-mail and required SMTP to send e-mail.
Zach Herron a 16 year old emerging pop artist / singer songwriter from Dallas, TX. He is 1/5th of Why Don't We. His vocal styling has been compared to Justin Bieber, Shawn Mendez, and Ed Sheeran to name a few.
Cool/Gangsta Gumball. Add a photo to this gallery. Zachary Zach (formerly)/Gumball Watterson (aged 12-13) is the main character of The Amazing World of Gumball. He is a particularly good kid at heart, but his plans have far surpassed his mental capacity. He is a 13-14 year old cat who is somewhat based on Ben Boluquet as a child, this being stated by Ben Boluquet.