The most remarkable addresses (*) found in the blockchain will be listed below.

Hall of Fame
------------

111111i4VTdHkzFqV2a4jntfZkdVk6B (shortest address: 31 characters - owner: HugoTheSpider)
1odfsrirfbxtwjoviseqdnuixwvhsnPbJ (longest lowercase prefix - owner: wtfvanity)
19279281759997344NJ2KMcdRZNVT5rHhq (longest digits-only prefix - owner: wtfvanity)
1QBDLYTDFHHZAABYSKGKPWKLSXZWCCJQBX (all-uppercase - owner: etotheipi)

1otohotohMoQoxHuxLBveQiZcV3Pji3Tc (longest pronounceable prefix - owner: otoh)
1BubbLingsoup9hqv7cjnnrWFt9GmEmCHS (12-char real-word vanity address - owner: xhomerx10)

123XjDj2ZQwgogCBZkYDrvUQBCR14ZJ321 (6-char palindrome address - owner: svenfaw)

Any others?

(*) I will only consider addresses that have an actual owner, so not stuff like:

1111111111111111111114oLvT2
1BitcoinEaterAddressDontSendf59kuE (more info)

wow this is cool, I hope I can have like this Shocked