Ron Weasley
While Harry Potter had his own love storyline, it was generally assumed that Ron and Hermione would eventually end up together. As they are two members of the famous golden trio, Harry Potter readers witnessed several scenes between Hermione and Ron over time that discreetly demonstrated their relationship's evolution. Ron's response to Hermione's schoolgirl infatuation with Gilderoy Lockhart is worth recalling. Or that time, when he defended Hermione against Snape's 'insufferable know-it-all' insult, is also memorable.
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Or... well, you get the picture. The idea is that Ron and Hermione's connection was a story of best friends finding their love for each other via sweet events. And it was those simple moments that cemented our affection for Ron Weasley in the same way that Dumbledore did for sherbet lemons.
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When compared to Harry Potter and Hermione Granger, it is easy to understand why Ron Weasley felt undervalued. Harry was often regarded as the courageous one, while Hermione as the intelligent one, and finally, Ron as the amusing one. Though Ron was in fact quite entertaining, he was also capable of being as courageous as Harry and as intelligent as Hermione.