Fanfic: The Sibling Rivalriesof Scottand Penelope
The Sibling Rivalries of Scott and Penelope
is a series of fanfics written by n5d25d90
based on the series The Grim Adventures of Billy & Mandy
. The fanfics center on Billy and Mandy's children, Scott Booger (because nobody cares about middle names anymore) and Penelope Milkshakes (after Billy's old cat) and their adventures. Scott takes after his mom, although he is not as grumpy, unless you call him "Scotty". Penelope takes after her dad, with a big nose and a very low IQ. The series started with "The Grim Wedding of Billy and Mandy"