The debate of whether the Shadow's were first one's or not based on that they weren't energy creatures like the Vorlons has been debated earlier. The answer is in the beginning of the third technomage book.
<table bgcolor=black><tr><td bgcolor=black><font size=1 color=white>Spoiler:</font></td></tr><tr><td><font size=2 color=black> In the first chapter Kosh states "They too were creatures of light, yet they preferred a more material form, encasing themselves in jagged carapaces of blackness, adopting outer cases that reflected the inner truth of their being"
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"We have had, continue to have and always will have wars and grief and struggle...we will climb high and fall down...but each time we will climb a little higher"-JMS
[This message has been edited by Ivanova (edited December 25, 2001).]
<table bgcolor=black><tr><td bgcolor=black><font size=1 color=white>Spoiler:</font></td></tr><tr><td><font size=2 color=black> In the first chapter Kosh states "They too were creatures of light, yet they preferred a more material form, encasing themselves in jagged carapaces of blackness, adopting outer cases that reflected the inner truth of their being"
</font></td></tr></table>
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"We have had, continue to have and always will have wars and grief and struggle...we will climb high and fall down...but each time we will climb a little higher"-JMS
[This message has been edited by Ivanova (edited December 25, 2001).]