File:Sign mimiru.png - Dothack Wikipedia

Mimiru as seen in "Wanted" .hack//SIGN episode 04, Bee Train, Bandai Visual, 2002. Screenshot provided by User:MysteryCorgi Captured using using VLC Media Player

Tsukasa, .hack//Wiki

SIGN Characters - Dothack Wikipedia

Mimiru (LINK), .hack//Wiki

Ovan (LINK), .hack//Wiki

hack//Sign (English Subbed) - Episode 4

hack//G.U. - Wikipedia

Dot hack sign by Artaniss on DeviantArt

Tsukasa, .hack//Wiki

List of Returning Characters - Page 5