10? That's a lot to not like. I'm a bit worried this thread will soon be too clinical for the PRR section. I don't have that much guys who ridden in let's say last 20 years that i don't like, but of course there are some. My explanation to why i don't like that particular person may be not understandable but that's only my opinion based on their bike, off-bike and interview behavior.
Landis - combination of Armstrongesque doouchebaggery and Ricco type of idiocy which resulted in one of the most ridiculus rides in history which made me almost quit watching cycling in 2006. Thankfully there was still The Chicken whom i for some reason liked. Maybe because he was one of those rare climbers who were competitive in GC in very TT heavy tours back in the day. A lot changed in those last 10 years as nowadays Tour seems to not like TT at all while 10 years ago each edition averaged in ~100km TT.
Ullrich - yes, there should be Armstrong but back in the day i didn't like Kaiser more because of his unprofessionalism. Problems with alcohol and drugs plus ridiculus look on the climbs didn't make him likeable for me. He looked like a very fat-filled sausage yet he could somehow hang on the climbs with the best and even at time to time attack them with varied succes.
Armstrong - of course there he is. Of course he's mostly unlikeable because of his clinical problems and mob-esque behaviour he sported behind the scenes. When he was a rider he was mostly neutral to me but i didn't like his suspicious character. He seemed to me quite elitarist on and off his bike - terminator type of riding and his need for stardom (don't forget he was a quite big fish in USA in the 00's).
Froome - similar case to Armstrong and his story propably will end up in a similar manner. I want to like him - his bike handling and racing are... interesting, his two stages a couple of days ago plus his resilience in Romandie made him more likeable for me but his off-bike handling is dodgy. I cannot get rid of that Armstrongesque feeling in him and the interviews and that unfortunate book don't do anything good for him.
Ricco - propably the biggest idiot ever on the bike, even more dangerous than Landis. He should be locked in a mental institute. At least 2007 and especially 2008 thanks to him were funny.
Pantani - same reason as Ricco but maybe he was really menataly challenged (i don't know his medical record) which then i guess would disqualify him from being on this list.
Nibali, Majka - i don't like them equally mostly because of similar reasons. I consider them too douchy and selfish, mostly off the bike. Interstingly Nibali's dedication to family seems to me like a publicity stunt. In my opinion he over-exaggerates it to comical proportions which makes the important matter which is family look cartoonish. Actually he seemes like a cartoonish character himself. Remember this ad when he was cooking boots with Basso? Ivan the Terrible cooking boots.
Fuglsang - for a long time he seemed like another Landis in making but thankfully he reserved himself only to quite interesting interviews. He seems at times to be too egocentric or harsh for my liking. I think he could be a quite prolific local serial killer. Only local because i reserve global spots for Faye Dunaway and Sean Penn.
Voeckler - he looks and behaves (at least on the bike) like an SS-man. I consider him the Hitler of cycling because of his presence, behavoiur on bike and quite hot temperament if i remember correctly.
Cipolini, Pozzato, Ferrari, di Luca - they're a perfect representation of a caricatural Italian male - bit homosexual, more interested in their looks, whine about everyone and everything. I have nothing agains Italians as every person sports different behaviour and i don't actually know anyone from Italia personally.
Andy Schleck - the last one on my list and propably the most sour one to taste. I absolutely loved him in 2007-2009 period but his on bike behaviour and sometimes being a bit too whiny off the bike bade him sadly unlikeable for me. Whenever he was on the bike it looked like he was allways looking behind to check his brother. He was just too conservative on the bike and rarely worked to his advantages prefering to wait to be destroyed in TT.