Continuity mistake: When Eleanor tells Chidi she loves him she has dark nail polish on. When she starts to argue with Tahani her nails don't have any polish on. As shots change during their discussion her nails keep changing colour. (00:10:50)
Continuity mistake: The note that Eleanor pulls out in the beginning of the episode does not visually match with the one she picked up at the end of last episode.
...Someone Like Me as a Member - S1-E9
Continuity mistake: In the flashback where Eleanor gets offered a permanent position at the company she's working for she's holding a cup of coffee on the desk in front of her. After she says "I'm good" the shot changes and she has a Rubik's Cube in her hand. The shot changes back and she's holding the coffee cup again. (00:17:10)
...Someone Like Me as a Member - S1-E9
Continuity mistake: When teenaged Eleanor stands on the table to make an announcement, she dumps food on the table. In the next shot the food has moved.
Answer: No, he is fictional. The joke is that, despite being handsome and charming, Larry Hemsworth is so overshadowed by his brothers that nobody else has heard of him and he feels like a failure.