According to Minerva McGonagall, all four of the houses have produced exceptional witches and wizards in their time, but due to Helga Hufflepuff's policy of accepting any student Hufflepuff is often thought to be the house of less talented wizards and witches. However, this is merely a misunderstanding of the Sorting Hat's poem. The Hufflepuff house has produced a great many of successful and influential members of the wizarding world, such as the famous Magizoologist Newton Scamander. A great number of exceptionally skilled witches and wizards also have their origins on this house, including noted Arithmancer Bridget Wenlock, and former Minister for Magic Artemisia Lufkin. What makes Hufflepuff differ from the other houses is the fact that they don't tend to boast about these accomplishments; it is not considered to be part of their nature.

Hufflepuff is the house that produced the fewest dark wizards throughout its history. Their cheerful and friendly demeanour can probably account for this property of the House. Hufflepuff firmly demonstrated its loyalty during the Battle of Hogwarts in 1998, when they were second only to Harry Potter's own house of Gryffindor in the number of students willing to stay and fight against Voldemort and his forces in the defence of their school.