Tammy Nelson
| Gender | Female |
| Age | 10 |
| Hair Color | Black |
| Occupation | Student |
| Grade | 4th Grade |
| Religion | Roman Catholic |
| Voiced by | April Stewart |
| First Appearance | Marjorine |
Close Friends
Featured Episodes
- Quest for Ratings (s08e11, cameo)
- Marjorine (s09e09, cameo)
- Le Petit Tourette (s11e08)
- Tonsil Trouble (s12e01, cameo)
- Breast Cancer Show Ever (s12e09)
- Butters' Bottom Bitch (s13e09)
- Bass to Mouth (s15e10)
- Jewpacabra (s16e04, cameo)
- Let Go, Let Gov (s17e01, cameo)