Rodney is the younger half-brother of Derek "Del Boy" Trotter. "Rodders", as he is affectionately known by his big brother, has stuck by Del through thick and thin. Rodney is not as streetwise as his brother. Del's comments whenever Rodney makes a mistake have become notable catchphrases throughout the series. They include "Plonker", "Wally", "Twonk", "Dipstick" and "Tart". Rodney is the son of Joan Mavis Trotter, grandson of Edward Trotter, and great nephew of Albert Trotter. He has a nephew named Damien, and a daughter named Joan named after his mother. Throughout the series, Rodney's assumed father was Reg Trotter, although his actual paternity was occasionally called into question, such as in the 1983 and 1987 Christmas specials "Thicker Than Water" and "The Frog's Legacy" due to the u