Who is the old man who laughs in many video jokes?

Michael Rosen, also known as Grandpa Nice. Loud tongue, smart eyebrows, eye-catching "rabbit front teeth" and a magical "nice" made the old man successfully spread all over the world with one expression, but do you know? The man in the expression pack is actually a famous British children's writer. He has created many best-selling works and was once rated as the "Poet Laureate of Fairy Tales" in Britain. Such a seemingly optimistic "grandfather", his life is not so lucky ... 1946, Michael Rosen was born in a Jewish family in Harrow, England, and his family was poor. He was arrested twice in college and was suddenly asked to leave after working for BBC for three years. Acute meningitis suddenly took the life of his 18-year-old son. Unfortunately, he was infected with COVID-19 and even almost died. ...