jk rowling did copy lots from LOTR like dumbledore, sauron, and gandalf. but i dont see y hp is more popular. i think LOTR shood be. tat sux. and she prolly copied the seen in the first book where they're in Rivendell and frodo is sick and in bed, and gandalf is sitting beside him on his bed. sound like something familiar in the first hp movie?
she copied LOADS
harry, small pathetic lol, small chance of success at anything, ITS FRODO
dumbledore, harry looks up to him, he looks out for harry ITS GANDALF
sirius, rugged man, harry is very close to, helps harry, fierce fighter ITS ARAGORN
voldemort, A.K.A the dark lord, lost his body now needs a certain thing to get it back ITS SAURON
aragog, giant spider, no other explanation needed ITS SHELOB,
kreacher, weird creature schitzophrenic talks to itself, says master alot ITS GOLLUM/SMEAGOL
i had a thread like this up before it got moved to the potter forum, and there, it was closed, hmmmmm i wonder why