Bluey Gost/Counterparts

Little Boi

 * [any character, really] from Mr. Men - Both exist.
 * Strong Bad from Homestar Runner - Both are the most popular character in the show.
 * The Angry Video Game Nerd from The Angry Video Game Nerd - Both switched from Rolling Rock to Yuengling for a few episodes and then switched back with no explanation or fanfare.
 * Homer Simpson from The Simpsons - Both have consumed donuts.
 * Hulk Hogan from whatever promotion employs him this week - Both have used the power of Hulkamania.
 * Little Guy from Greeny Phatom - Both Software Failure. Press left mouse button to continue. Guru Meditation #00000006.99999420

Little Boi 2

 * Little Miss Sunshine from Mr. Men - something something the song "Here Comes the Sun" was used in AMVs with them

Dr. Nutbean

 * The Ultimate Warrior from WWE - Both express the principles of Destrucity.

PBS Man

 * Danny Phantom from Danny Phantom - PBS Man once spent an entire episode running around drunkily screaming "GOING GHOST!" for no reason at all

NBC Man

 * James Hetfield from Metallica - I AM THE TABLE