Mordecai is by far the best guy ever on regular show. :)
Be there for them
On the tv show "Mad About You" Jamie's best friend is Fran Devanow, earlier in the show they worked tpgether but as the show progress they do not.
His best friend was Keely (Alyson Michalka.)
What you can do is always stand up for your friend, give them presents to show that your really their best friend.
Regular Show
Alexs best friend is harper in the show but in real life their close friends but selena best friend is demi lovato
Mary Richards' best friend was Rhoda Morgenstern.
you need to elaborate on your question. show reasoning of why you think that.
Ashley
Gus
Regular Show - 2010 The Best VHS in the World 3-33 was released on: USA: 30 July 2012