| Uncle Lightfingers from YW 83-11-12 | 1983 | | 0 | 1 |
| Uncle Louie | 1964 | | 0 | 1 |
| Uncle Manley | 1964 | | 0 | 1 |
| Uncle Mark T. McGoof | 1961 | | 0 | 1 |
| Uncle Marmaduke | 1956 | | 0 | 1 |
| Uncle Metralhão | 1975 | | 0 | 1 |
| Uncle Middy | 1948 | | 0 | 1 |
| Uncle Milty | 1960 | | 0 | 1 |
| Uncle Monty | 1959 | | 0 | 1 |
| Uncle Mukluk | 1959 | | 0 | 1 |
| Uncle Murdoch | 1964 | | 0 | 1 |
| Uncle Oakie | 1960 | | 0 | 1 |
| Uncle Oscar | 1978 | | 0 | 1 |
| Uncle Persival from B 810068 | 1981 | | 0 | 1 |
| Uncle Pierpont | 1973 | | 0 | 1 |
| Uncle Porker | 1977 | | 0 | 1 |
| Uncle Silas | 1970 | | 0 | 1 |
| Uncle Tat | 1957 | | 0 | 1 |
| Uncle Twitch | 1950 | | 0 | 1 |
| Uncle Waldo | 1987 | | 0 | 1 |
| Uncle Wart | 1981 | | 0 | 1 |
| Uncle Warthog | 1956 | | 0 | 1 |
| Uncle William | 1972 | | 0 | 1 |
| Uncle Zak McWak | 1968 | | 0 | 1 |
| Underwater pirates | 1996 | | 0 | 1 |
| Unidentified pepper picker | 1933 | | 0 | 1 |
| Unlucky mouse from S 63125 | 1964 | | 0 | 1 |
| Unnamed Dexter Dingus substitute | 1999 | | 0 | 1 |
| Unnamed captain from ZS 3302 | 1933 | | 0 | 1 |
| Unter | 2007 | | 0 | 1 |
| Unwin | 1986 | | 0 | 1 |
| Urc the martian | 1975 | | 0 | 1 |
| Urso Forte | 1976 | | 0 | 1 |
| Urso Tonto | 1984 | | 0 | 1 |
| Ursolino the bear | 1980 | | 0 | 1 |
| Ursus the dog | 1993 | | 0 | 1 |
| Urticário Urtigão | 1995 | | 0 | 1 |
| Urtigado | 1984 | | 0 | 1 |
| Urubu Malandro | 1975 | | 0 | 1 |
| Urubulino from B 780293 | 1979 | | 0 | 1 |
| Uóchitom | 1998 | | 0 | 1 |
| V.Rus | 2004 | | 0 | 1 |
| VAQ-M | 2008 | | 0 | 1 |
| Vaiquiemólis | 1983 | | 0 | 1 |
| Valdemar from B 810016 | 1981 | | 0 | 1 |
| Valdemar from B 840060 | 1984 | | 0 | 1 |
| Valdir Baixenco | 1983 | | 0 | 1 |
| Valdisnei Silva | 2014 | | 0 | 1 |
| Valdo | 2008 | | 0 | 1 |
| Valdomiro the chauffeur | 1991 | | 0 | 1 |
| Valente the dog | 1982 | | 0 | 1 |
| Valentina Camerini | 2010 | | 0 | 1 |
| Valfredo Ritchoque | 1992 | | 0 | 1 |
| Valiant | 2025 | | 0 | 1 |
| Valiente the horse | 1995 | | 0 | 1 |
| Valquirix | 1985 | | 0 | 1 |
| Van Ding | 2008 | | 0 | 1 |
| Van Dough | 2024 | | 0 | 1 |
| Van Draime | 1999 | | 0 | 1 |
| Van Gander's wife | 1964 | | 0 | 1 |