Is the gray 'E.T.' from American Dad some kind of joke about how those 'aliens' hide in front of us all the time and humans are too stupid to realize it? It's a running gag that he plays the role of so many people consistently and even if he just changes his wig, people think its a different person.
Lol I hate TV but I’d put Roger in a top 5 list. His wiki sums him up:
“Roger describes himself in "You Debt Your Life" as a "fey pansexual alcoholic non-human
". Roger's flamboyant and dramatic nature is enhanced by his alcohol dependency. Roger is frequently childish
, showing an affinity for character role-playing, tantrums, and pranks, as well as being quite petty, spiteful, greedy, and cruel