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Are Legendary trio nouns or proper nouns, so prior to Generation VI, it was named legendary trio. --[[User:Cinday123|<span style="color:pink">Cinday123</span>]] <small>''([[User talk:Cinday123|<span style="color:lightblue">Talk</span>]])''</small> 23:54, 14 February 2014 (UTC)
:A proper noun is a name, i.e. Bulbasaur which means the name should always be capitalized. "legendary" is not a name, it's a group name, i.e. dog, meaning it's not a proper noun. Therefore it is only capitalized at the beginning of a sentence.