Question: Who was buried in a tomb located in Dra Abu el-Naga and lived during the reign of who often is regarded as the greatest, most celebrated, and most powerful pharaoh of the Egyptian Empire?

Context paragraphs:
Neferhotep (scribe of the great enclosure): Neferhotep was an Ancient Egyptian official with the title "scribe of the great enclosure".  He lived during the 13th Dynasty, around 1750 BC.  His tomb was found in 1860 by Auguste Mariette in Dra Abu el-Naga and contained an important range of objects, most notably of which was the Papyrus Boulaq 18 which is an account of life in the Theban palace.  The papyrus had already been published, but the finds in Neferhotep's tomb have only recently been fully published.  The tomb contained the rishi coffin of Neferhotep, which was most likely badly decayed when Mariette found it.  So it is only known from Mariette's description.  Other finds in the tomb are a walking stick, a head rest, a faïence hippopotamus, wooden pieces of the Hounds and Jackals game, a mace, writing implements, a wooden tray for a mirror, two calcite vessels, a magical wand and a double scarab.

TT168: The Theban Tomb TT168 is located in Dra' Abu el-Naga'.  It forms part of the Theban Necropolis, situated on the west bank of the Nile opposite Luxor.  The tomb is the burial place of the Ancient Egyptian Any (or Anuy), who was a God's Father of Amun and a Chosen lector of the Lord of the Gods during the reign of Ramesses II in the Nineteenth Dynasty.

TT147: The Theban Tomb TT147 is located in Dra' Abu el-Naga', part of the Theban Necropolis, on the west bank of the Nile, opposite to Luxor.  It is the burial place of an Egyptian called Neferrenpet, who lived during the reign of Amenhotep III.

Panehsy (TT16): The Ancient Egyptian Panehsy was "Prophet of Amenhotep (I) of the Forecourt", during the reign of Ramesses II.  Pashedu was buried in a tomb, TT16, in the Dra' Abu el-Naga' area of the Theban Necropolis.

TT35: The Theban Tomb TT35 is located in Dra Abu el-Naga, part of the Theban Necropolis, on the west bank of the Nile, opposite to Luxor.  It is the burial place of the Ancient Egyptian noble named Bakenkhons I, who lived during the 19th Dynasty, during the reign of Ramesses II.  Bakenkhons was a High Priest of Amun.

Ramesses II: Ramesses II (variously spelled also Rameses or Ramses; born ; died July or August 1213 BCE; reigned 1279–1213 BCE), also known as Ramesses the Great, was the third pharaoh of the Nineteenth Dynasty of Egypt.  He often is regarded as the greatest, most celebrated, and most powerful pharaoh of the Egyptian Empire.  His successors and later Egyptians called him the "Great Ancestor".  He is known as Ozymandias in the Greek sources, from a transliteration into Greek of a part of Ramesses' throne name, "Usermaatre Setepenre" , "The justice of Rê is powerful—chosen of Rê".

TT17: The Theban Tomb TT17 is located in Dra Abu el-Naga, part of the Theban Necropolis, on the west bank of the Nile, opposite to Luxor.  It is the burial place of the Ancient Egyptian noble named Nebamun, who lived during the 18th Dynasty, during the reign of Amenhotep II.  Nebamun was a scribe and a physician to the King.

Shuroy: The Ancient Egyptian Shuroy lived during the 20th Dynasty.  He was buried in a tomb in the necropolis of Dra' Abu el-Naga' on the west bank of the Nile, opposite Thebes.  His titles included Head of Brazier-bearers of Amun.

TT255: The Theban Tomb TT255 is located in Dra' Abu el-Naga'.  It forms part of the Theban Necropolis, situated on the west bank of the Nile opposite Luxor.  The sepulchre is the burial place of the Ancient Egyptian Roy, who lived at the end of the 18th dynasty, during the reign of Horemheb.

Henri Gauthier: Henri Louis Marie Alexandre Gauthier (19 September 1877–1950) was a French Egyptologist and geographer.  In 1903 he entered the French Institute of Oriental Archaeology of Cairo.  He made extensive excavations at Dra Abu el-Naga and El Qattah (1904), and devoted himself to work on both historical and geographical issues of Ancient Egypt.  In 1909 he was part of a French team which discovered Huni's Pyramid in Elephantine, and discovered a large granite conical object with an inscription revealing the name of the pharaoh Huni of the 3rd dynasty of the Old Kingdom.  Gauthier worked with Gaston Maspero who asked him to copy the inscriptions of the Nubian temples of Amada, Kalabsha and Wadi Seboua.

Supporting paragraphs: TT35 Ramesses II
Answer: Bakenkhons I