Samuel Rosen is a recurring character appearing in the Forever Sophomores series. He is Mr. Picillo's assistant in Tom, Trent, Willy, and Caillou's US History class. He has been appearing in almost every episode since his debut in "The Learning Continues".
Mr. Rosen is very helpful. He often helps Tom and the gang with Homework or Classwork. Like Mr. Picillo, Mr. Rosen is a big fan of the Red-Sox. It has been stated that Mr. Picillo and Mr. Rosen have known each other for a long time. He's been appearing in almost every episode since his debut in "The Learning Continues".
Mr. Rosen has fair skin and brown eyes. His hair is shaved, so it is unknown weather his hair is black or dark brown. His outfits vary throughout the series, but he is mostly seen in one outfit, which consists of a red and white checkered dress shirt with rolled up sleeves, a brown belt with a silver buckle, khaki pants, and brown loafers.