A random little list to start:

Agent Coulson (Agents of S.H.I.E.L.D.)
Dwight Schrute (The Office)
Hermione Granger (Harry Potter)
Professor Mcgonagall (Harry Potter)
Woody (Toy Story)
Princess Leia Organa (Star Wars)
Mycroft Holmes (BBC's Sherlock)
Chief Wiggum (The Simpsons)
Stan Smith (American Dad)
Captain Pike (Star Trek)
Detective Amy Santiago (Brooklyn Nine-Nine)
Detective Carlton Lassiter (Psych)