Armagus

The image gallery on the Blazblue wiki has the emblems for every character besides Kokonoe. I've been keeping an eye out for hers for my collection, but it wasn't posted in her Famitsu article like with Kagura and Terumi's announcement, so I guess we still have to wait. I have all the others if you want me to forward them.

http://shoryuken.com/2013/06/20/shoryuken-e3-2013-blazblue-chrono-phantasma-interview-with-arc-system-works-toshimichi-mori-and-tatsunori-ishikawa/

Kagura and Terumi might not be available to play due to being strictly a console only character and provide incentive to purchase the game in order to try him out; that or the version Mori was showing off might already have the prerequisite in place, so Kagura wouldn't be available or on the character select screen unless story mode is cleared.

Did Continuum Shift say there would be three DLC characters from the start, but then announce more later?

Here is the full Lambda image from some advertisement.

http://www.dcdouglas.com/dc-douglas-con/ "Cast in: (English version) BlazBlue as Azrael (VG)" It is confirmed in one of the last pieces of text in his list of roles.

Has anyone seen a translated Tager arcade route yet?

It is in Noel's Continuum Shift story ending in her "talk" with Hazama.

The story modes never specified, but it is possible to speculate. If Okami is a Nox Nyctores and since Nine created all of them besides the Murakumo, it is possible he could fight using the claws on the hands and feet before he encountered her, but since Hakumen is Jin he likely fought with another sword because that was his preferred fighting style. There could be a timeloop paradox with the Susano'o armor and the Okami like there is with Ragna's sword and outfit where they are inherited from the past loop leaving the origin unknown or in Hakumen's case, having the Okami permanently stuck on his armor with each prior loop as well, but I believe it is more likely he fought with some generic sword until he obtained Okami. When he went back into the past, he could have still had Yukianesa to though and choose to abondon it when given the chance since he does try to distance himself from his old life, and by giving up Yukianesa when he could have Okami which also seems to have the better combat potential.

https://www.youtube.com/watch?v=8KfOrzHnwHk&feature=plcp

http://sgcafe.com/2012/11/blazblue-chrono-phantasma-released-in-japanese-arcades-today-mu-12-nu-13-izayoi-to-be-unlocked-via-weekly-updates/ English article on the time release characters for arcade.