What kind of creature did Smeagol become after he found the ring?

Answer 1

he was still a hobbit but only in a monsterous form instead of in human form they called him Gollum because they did not know what kind of creature he was he was also given an instinct of a wild animal by the powers of the magic ring

Answer 2

smeagol was once a hobbit like creature. but after naming Gollum, he is categorize as jus as unlikely wandering creature. no specific race or kind or what so ever.

Answer 3

Smeagol was a Hobbit. He became Golom when the ring's power sent him mad.

Answer 4

The One Ring corrupted his mind and body, prolonging his life and making him forget himself. It also drove him mad.