XD No question in my mind that he's the one who keeps it all hanging together. babel also has some theories about how Ianto just happens to know all kinds of insane things and make those crazy-ass grocery-store calculations (think Bashir from DS9, you ol' Trekkie you), and yeah. Another possibility is that he's directly jacked into the Torchwood Hub, so in that case, he really wouldbe the brains, wouldn't he?
no subject
*plots*