irb(main):005:0> class X irb(main):006:1> def inspect irb(main):007:2> "hey" irb(main):008:2> end irb(main):009:1> end => nil irb(main):010:0> x = X.new.nomethod NoMethodError: undefined method `nomethod' for hey:X from (irb):10 Anyone know how I can get rid of the ':X' after 'hey'? I've tried: class X def self.name; ''; end def self.to_s; ''; end def class; ''; end end Where is it getting the class name? Thanks, T.