Some people of my umah shall have such big bodies that he will occupy a corner of hell.

( Mukhdoom Yousuf Aziz)

And those who earned bad deeds, their reward will be as bad, and disgrace will rise on them, there will be no one to save them from Allah so it will seem like parts of the black sky of the night are pasted on their faces, they are the occupants of hell, and they shall stay there forever (younis 27). This shows that the faces of the hell bound people will be very black. Hazrut Abdullah bin umro رضی اللہ عنہا narrates, if someone is taken out from hell and placed in heaven, atleast all the people from the dunia shall die on looking at him. After saying this Hazrut Abdullah bin umro رضی اللہ عنہا cried a lot. There is, in surah mominoon that flames will be burning there faces and there faces will be disfigured in it. A haddees says “A hell bound person shall be burned in fire because of which his lips will shrink till they reach the centre of there head and the lower lip shall hang to the umbilicus. There tongue shall be pulled out to 3miles and 6 miles, people will crush it under their feet i.e.  they will walk over it.” (tirmizi)

There will be a distance of 3 day’s travel between 2 shoulders of a hell bound person, such that a brisk walking traveler walk on feet and the molar tooth of a non believer will be the size of Ohud Mountain and the thickness of his skin will be equal to the distance of 3 days. (Muslim Shareef)

There is a narration in tirmizi that the molar tooth of a non believer will be the size of Ohud Mountain and his thigh will be size of Baiza Mountain and the place where he will sit in hell will equal to 3 days distance in length and width, as far as the distance between Madina and zubda village” in another narration, the place where a hell bound person will sit will be as long as the distance between Makkah and Madina.( Mushkaat)
In some narrations, it is written that Hazoor nabi e kareem ﷺ said, “ the bodies of some from my ummat shall be made so big that a single person shall fill the entire corner of hell”.