I was permanently banned from a different forum and suspended several times on other various accounts.
Most were over misunderstandings, but I did deserve some of them. The staff there never bothered with checking IPs, so I just kept rejoining and they didn't even notice. I banhopped to avoid a temporary suspension for trolling. I shouldn't have even had that extra account in the first place, considering my main one had been previously suspended for spamming. Over time, I repeatedly was caught, resulting in making a decent amount of accounts so I could stick around. I actually had to write down which ones were suspended because I couldn't keep track on my own.
Then one day, after I had been around for years -almost since the forum existed- I made a thread that was misunderstood by the staff...and suddenly my main account had been permanently banned. Even though they didn't know that I was the one with all of the booted accounts, the main one totally deserved a suspension/ban. I ignored rules, repeatedly had my threads deleted because the topic strayed to ones that were not forum-friendly, etc. Even though I had it coming, considering I was never even warned for anything, I didn't expect it. That hit me hard enough that I gave up and didn't make any more accounts.
Looking back on it, I was a real pain for the staff. Not much I can do now, though. ]:
On PC, though, no. I haven't even been warned for anything yet. Being banned so suddenly on the other forum has made me pretty careful. I don't want to lose this account.