When you play Spyro and all you hear is Frodo as a purple dragon. When you play Psychonauts 2 and all you hear is Frodo as the body of a post office worker. When you watch Cooties and all you see is Frodo as a summer school teacher fighting off zombie children. Tax:
This is also acceptable, as is when he was trapped on Earth for a few years and went by the alias TJ Hooker.
... Fine. Andre the Giant will always be Fezzig. Raul Julia, to me, will always be Gomez Adams (though others did a bang up job in the role as well) Robin Williams will always be the Genie Tim Curry will always be Long John Silver, Cardinal Richeliu. and many many other snarky villains from my childhood Rick Moranis will always be Dark Helmet and Alan Rickman will ALWAYS be Alan Rickman, the one and only. Happy?