There might be a wise old wizard as a main character too. He could be Harry's mentor, guiding him through the magical world and helping him with his ranger duties, like providing spells or ancient knowledge.
Perhaps in 'harry the ranger fanfic', there's a story where Harry has to team up with some magical creatures to save their habitat from an evil force. He might encounter talking animals and use his ranger skills to protect their land.
One common theme is the clash of cultures. The magical world of Harry Potter and the cowboy - like, law - abiding world of Texas Rangers are very different. Fanfics often explore how these two cultures interact and adapt to each other.
One popular 'Harry is an Army Ranger' fanfic is 'Harry's Ranger Adventure'. It has an interesting plot where Harry uses his unique skills from his wizarding world and combines them with Army Ranger training in a really creative way.
One great 'Harry Potter Power Ranger fanfic' could be one where the characters from both universes team up to fight a common evil. For example, the wizards of Harry Potter use their magic while the Power Rangers use their combat skills and zords.
He'd probably start comparing the magic in his world to the powers of the Power Rangers. Maybe he'd think about how the Power Rangers' powers are more showy and physical, while magic in Hogwarts is more subtle and complex.
I don't think Harry Potter is a Ranger fanfiction in the traditional sense. Harry Potter is set in a world of magic, with Hogwarts, spells, and magical creatures. Rangers usually are more associated with natural settings, like forests and wilderness, and their skills are more about survival in the wild, tracking, and using simple weapons. In Harry Potter, the focus is on magic and the battle between good and evil wizards. Although Harry has to be brave and independent, it's a different kind of story compared to what we typically expect from a Ranger - related story.
Well, if Harry Potter becomes a Power Ranger fan, the story could change in many ways. Maybe he starts to incorporate some of the Power Ranger's fighting styles into his duels at Hogwarts. He might even dream of having Ranger powers to fight Voldemort.
I'm not sure of the exact name, but there are some fanfics that bring the Hogwarts professors to Texas as advisors to the Rangers. They use their magical knowledge to help the Rangers deal with strange and magical - related crimes. It's a unique take on the crossover concept, blending the two very different universes of Harry Potter and Texas Rangers.
Another theme could be heroism. Harry is already seen as a hero in the wizarding world, and as an Army Ranger, he continues to show heroic qualities in different situations like in combat or helping his comrades.