Kreacher

Some articles on kreacher:

Felix Felicis - Horcruxes - Salazar Slytherin's Locket
... Black had learned about the Horcrux and its hiding place from his house elf Kreacher, whom he had originally volunteered to accompany Voldemort to hide the ... effort to bring about Voldemort's eventual downfall, he and Kreacher navigated the magical protection and stole the locket, replacing it with the false one to fool Voldemort ... Black died in the effort, killed by the surrounding Inferi, Kreacher took the locket back to their home at Number 12, Grimmauld Place ...
Crumple-horned Snorkack - Characters - Kreacher
... Kreacher is a house-elf who served the House of Black for decades ... Kreacher first appears in Order of the Phoenix as an unwilling servant to Sirius Black ... Kreacher disdains Sirius, mainly due to his devotion to his former masters (Regulus Black in particular, who had treated him well) and Sirius having broken with the family's pure-blood values ...
The Sorting Hat - Horcruxes - Salazar Slytherin's Locket
... and its hiding place from his house elf Kreacher, whom he had originally volunteered to accompany Voldemort to hide the Horcrux ... effort to bring about Voldemort's eventual downfall, he and Kreacher navigated the magical protection and stole the locket, replacing it with the false one to fool Voldemort ... While Black died in the effort, killed by the surrounding Inferi, Kreacher took the locket back to their home at Number 12, Grimmauld Place ...
Crumple-horned Snorkack - Prominent Creatures - House-elves
... Along with the ability to Apparate anywhere at any time, Dobby, Winky, Hokey and Kreacher all demonstrate that they can overpower wizards when necessary ... Later, in Deathly Hallows, Kreacher is ordered by Harry to capture Mundungus Fletcher and bring him to 12 Grimmauld Place, a task that he accomplishes within a ... According to Kreacher, "a House-elf's highest law is his master's bidding" however, while House-elves must obey their masters whatever their personal feelings may be, they are far from mindless automata ...
Dolohov - Notable Death Eaters - Regulus Black
... The Blacks' house-elf, Kreacher, reveals to Harry and his friends in Harry Potter and the Deathly Hallows that he was ordered by Regulus to assist Voldemort in hiding a locket ... Kreacher was forced to drink the potion protecting the locket to test its effectiveness ... Kreacher was forced to go to the Inferi-infested water and drink and was saved only by the fact that house-elf Apparition works differently from wizard Apparition ...