I don't Know if there is already one if there is sorry. Anyway you add a + sign for a character you like and a - for the one you don't like. Each one starts off with 10 points and then you copy and paste all the characters and we go until we have a winners bracket. the characters do not have a signed point value.
I'll Start
Harry 10
Hermione 10
Ron 11+
Ginny 10
Voldemort 10
Mrs.Weasley 10
Mr.Weasley 10
Fred 10
George 10
Bill 10
Charlie 10
Percy 10
Dumbledore 10
Severus Snape 10
Luna 10
Cho Chang 10
Lavander Brown 9-
Parvati Patil 10
Padma Patil 10
Neville 10
Dean Thomas 10
Harry 15
Hermione 23
Ron 18 (+)
Ginny 13
Voldermort 9
Mrs. Weasley 16
Mr. Weasley 15
Fred 16
George 16
Bill 13
Charlie 13
Percy 4
Dumbledore 14
Severus Snape 12
Luna 12
Cho Chang 5
Lavender Brown 7
Parvati Patil 9
Padma Patil 9
Neville Longbottom 11
Dean Thomas 9
Umbridge 1 (-)
Harry 16 (+)
Hermione 23
Ron 18
Ginny 13
Voldermort 9
Mrs. Weasley 16
Mr. Weasley 15
Fred 16
George 16
Bill 13
Charlie 13
Percy 4
Dumbledore 14
Severus Snape 12
Luna 12
Cho Chang 5
Lavender Brown 6 (-)
Parvati Patil 9
Padma Patil 9
Neville Longbottom 11
Dean Thomas 9
Umbridge 1
Harry 16
Hermione 23
Ron 18
Ginny 13
Voldermort 9
Mrs. Weasley 16
Mr. Weasley 15
Fred 16
George 16
Bill 13
Charlie 13
Percy 4
Dumbledore 14
Severus Snape 13 (+)
Luna 12
Cho Chang 4 (-)
Lavender Brown 6
Parvati Patil 9
Padma Patil 9
Neville Longbottom 11
Dean Thomas 9
Umbridge 1
Harry 16
Hermione 23
Ron 18
Ginny 14 (+)
Voldermort 9
Mrs. Weasley 16
Mr. Weasley 15
Fred 16
George 16
Bill 13
Charlie 13
Percy 4
Dumbledore 14
Severus Snape 13
Luna 12
Cho Chang 4
Lavender Brown 6
Parvati Patil 8 (-)
Padma Patil 9
Neville Longbottom 11
Dean Thomas 9
Umbridge 1
Harry 18
Hermione 9
Ron 13
Ginny 9
Voldemort 6
Mrs.Weasley 10
Mr.Weasley 10
Fred 12
George 12
Bill 11
Charlie 11
Percy 9
Dumbledore 7
Severus Snape 6-
Luna 13
Cho Chang 1
Lavander Brown 9
Parvati Patil 9
Padma Patil 9
Neville 12
Dean Thomas 10
Umbridge 0
Hermione 23
Ron 18 (+)
Ginny 13
Voldermort 9
Mrs. Weasley 16
Mr. Weasley 15
Fred 16
George 16
Bill 13
Charlie 13
Percy 4
Dumbledore 14
Severus Snape 12
Luna 12
Cho Chang 5
Lavender Brown 7
Parvati Patil 9
Padma Patil 9
Neville Longbottom 11
Dean Thomas 9
Umbridge 1 (-)
Hermione 23
Ron 18
Ginny 13
Voldermort 9
Mrs. Weasley 16
Mr. Weasley 15
Fred 16
George 16
Bill 13
Charlie 13
Percy 4
Dumbledore 14
Severus Snape 12
Luna 12
Cho Chang 5
Lavender Brown 6 (-)
Parvati Patil 9
Padma Patil 9
Neville Longbottom 11
Dean Thomas 9
Umbridge 1
Hermione 23
Ron 18
Ginny 13
Voldermort 9
Mrs. Weasley 16
Mr. Weasley 15
Fred 16
George 16
Bill 13
Charlie 13
Percy 4
Dumbledore 14
Severus Snape 13 (+)
Luna 12
Cho Chang 4 (-)
Lavender Brown 6
Parvati Patil 9
Padma Patil 9
Neville Longbottom 11
Dean Thomas 9
Umbridge 1
Hermione 23
Ron 18
Ginny 14 (+)
Voldermort 9
Mrs. Weasley 16
Mr. Weasley 15
Fred 16
George 16
Bill 13
Charlie 13
Percy 4
Dumbledore 14
Severus Snape 13
Luna 12
Cho Chang 4
Lavender Brown 6
Parvati Patil 8 (-)
Padma Patil 9
Neville Longbottom 11
Dean Thomas 9
Umbridge 1
Hermione 9
Ron 13
Ginny 9
Voldemort 6
Mrs.Weasley 10
Mr.Weasley 10
Fred 12
George 12
Bill 11
Charlie 11
Percy 9
Dumbledore 7
Severus Snape 6-
Luna 13
Cho Chang 1
Lavander Brown 9
Parvati Patil 9
Padma Patil 9
Neville 12
Dean Thomas 10
Umbridge 0