Letter from British Gas addressed to "Mr Dan Q (it Is Only Q)" and opening with "Hello Mr Q (it Is Only Q)".
https://m.danq.me/system/media_attachments/files/111/602/552/424/626/821/original/6700e44b6a7a0ce7.jpeg
British Gas's programmers don't believe that a surname can be only a single character.
Their customer service agents worked around this by adding a parenthetical note to my record.
The result is hilarious postal mail that tries to reassure me that my surname really is what it is:
GNU social JP is a social network, courtesy of GNU social JP管理人. It runs on GNU social, version 2.0.2-dev, available under the GNU Affero General Public License.
All GNU social JP content and data are available under the Creative Commons Attribution 3.0 license.