Dudley
Muggle protector
Leader of a gang
Mainly protects Harry from Vernon

Petunia Evans(Dursley)
Mom of Dudley
Forced married to Vernon Dursley
Cares about Harry

Vernon Dursley
Hates Harry Potter with all his being
Abuses and starves Harry

Peirs Polkiss
Dudley's gang
Friends with Harry

Dennis
Dudleys gang
Crush on Harry
Blessed by Torok demon of protection

Gordon
Dudleys gang
Friends with Harry

Malcolm
Dudleys gang
Friends with Harry