Name: Kevin Helsing
Year: 7th
House: Gryffindor
Wand: 9 1/2 Pine with Phoenix Feather
Patronus: Wolf (only 3rd year up can summon a patronus)
Club: Dueling Club, Tutor Club
Quidditch?: Yes
Position if in Quidditch: Chaser

Spells:(only 5 to start with)
Invictus Maneo- The Unvanquished Spell-Made up only Kevin knows it.
Cave Inimicum-(can't remember)
Stupefy- Stunning Spell
Finite Incantatem- Neglectaion Spell spell
Protego- Sheilding Spell

Background:

Kevin is a Junior Auror who goes out of Hogwarts to help the Ministry of Magic. He has a dark past, his family was killed by Death Eaters when he was just vowed that he would get the Death Eater.
After 6 years of Hogwarts he is ready to go after the one that ruined his life. He made a spell that protects one from the Instant Death Curse. And he will protect his school from any number of Death Eaters away from his home.