Question: What is Yammy's real name?

Answer: Yasmin  

Question: What is Yammy's hedgehog's name?

Answer: Sonic (Named after Sonic the Hedgehog) 

Question: What are all Yammy's different channels?

Answer: Yammy (The channel she posts games on) and Miss Yammy  (The channel she posts Vlogs on) 

P.S. I'm so sorry if you came looking for better information.

Also sorry if I spelled stuff wrong I'm not a very good speller. :)