55,027 suggestions

Queen Jipjorrulac (The Fairly OddParents)
as Best Grandma in Best of Characters
Santa Claus (The Fairy OddParents)
as Best Grandpa in Best of Characters

The Rat King
as Best Uncle in Best Family

Donatello (TMNT)
as Best Grandpa in Best of Characters

Rocksteady
as Best Grandfather in Best Family

Edna Mode
as Best Brother in Best Family

Kraang Subprime
as Best Brother in Best Family

Dr. Bender (The Fairly Odd Parents)
as Best Brother in Best Family

Adolf Hitler
as Best Brother in Best Family

Mr Mxyzptlk
as Best Brother in Best Family

Digit LeBoid
as Best Brother in Best Family
Iago (Aladdin)
as Best Brother in Best Family

Zucchini (Animal Crackers)
as Best Brother in Best Family
Lily (Father Of The Pride)
as Best Mother in Best Family
Nelson (Father Of The Pride)
as Best Grandpa in Best of Characters

Lawrence (The Princess and the Frog)
as Best Grandpa in Best of Characters
Sierra (Father Of The Pride)
as Best Grandmother in Best Family
Sarmoti (Father Of The Pride)
as Best Grandfather in Best Family
Roger (Father Of The Pride)
as Best Brother in Best Family
Larry (Father of the Pride)
as Best Father in Best Family