Cognition (talk · contribs · block log) was banned since May 2006.

This category lists confirmed sockpuppets of: Cognition (talk · contribs · deleted contribs · page moves · block user · logs · block log · arb · rfc · lta · SPI · cuwiki)

To add an account to this category use ((Sockpuppet|Cognition|confirmed)) if confirmed by a checkuser or ((Sockpuppet|Cognition|proven)) if the behavioural evidence makes the link beyond reasonable doubt.