Well, he likes smelly things, except Eddy's odor in the episode, "A Twist of Ed". He doesn't clean his room, really messy, and well, he has poor hygene, hates soap, and NEVER showers.
1st, he hates soap and probably nevr showers. 2nd, Angus, his और than lucky dead fish. angus was in an episode, as was sheldon, who was thrown into a lake द्वारा eddy.