Don’t edit Wikipedia at work, unless you want to get fired. When you’re a fanboy that works at a boring job, you’ve got to find ways to entertain yourself, but spending hours editing Wiki articles is not the way to go about finding that glimer of fun in your job.
Japan’s Agricultural Ministry reprimanded six officials who did just that. They let their geekdom for Gundam and other cartoon robot stories get in their way. In total they made 408 entries since 2003 on the ministries computers.
Companies have the right to monitor everything you do using their equipment! Usually it says this in your job’s contract.
Wikipedia is a great resource, but remember children work is work so just do it and get out of the office as quickly as possible.