Dannie Christian Løvenhardt Madsen (b. 17 April, 1996) was a Pure-bloodwizard and fourth child of Pure-blood wizard and witch Britta and Johnny Madsen. Dannie comes from Denmark. He is younger brother of Bibi and Tina Madsen and Martin Løvenhardt. He is best friend of Pure-blood wizard Frederik Hartvig Petersen and Muggles Markus Bogdan Urbanzcyk Hansen, Nicklas Lytken Jensen, Jeppe Erikstrup, Mikkel Nordmann Nygaard Mortensen, Anders Meyer Ejrup Simonsen, Steffen Viktor Petersen and Carina Bruun Nielsen. Dannie recieved a letter from Hogwarts School of Witchcraft and Wizardry in 2007, 9 years after the famous Harry Potter defeated the evil Lord Voldemort. Dannie is also a loyal friend of Harry Potter.
Dannie Madsen was born at April 17, 1996 to Pure-blood wizard Johnny Madsen and witch Britta Madsen and at the age of 6 he discovered his magical abilities and used it for his own good. He met another wizard, Frederik Petersen, at his school St. Grogory's Primary School where they learned they were both wizards. They misused this knowledge to pull pranks on all the other students at the school, learning that they were unknowing Muggles.