I think I have two characters who are the same person, and this was an accident.

Okay, so Isa/Echo is a major character of Warriors of Smash and The Vampire's Servant/The Dragon Prince, while Lexy is a super minor character in Ghirahim's My Roommate that I've forgotten her before.

I'm starting to think that they are the same person, and here's my evidence.

The line "This isn't the Zelda you think of," could apply to Isa, because she is from another world, where she knows a Zelda and Link. She's also super strong as well, something that Vaati notes about Lexy almost immediately.

Echo is from another world as well, and attacks major villains in other worlds. She shot Leora, for one thing, and Lexy shot Ganondorf.

In this instance, both things said/done were reckless and involve guns.

Also, Lexy emptied a cartridge on Ghirahim, which in and of itself was reckless. She could have shot Vaati, something that Isa/Echo would probably do.

So both times, these girls bring their culture with them that involves games, and basically show the other world they're in that stuff.

Also, Lexy basically works underneath Alicia and Vaati, while Echo/Isa states that Alicia is her boss. You could argue that they know each other, but surely Isa would have mentioned Lexy to someone in The Vampire's Servant/The Dragon Prince (unless the author completely forgot about Lexy).

Also, in the beginning of Warriors, Isa meets Alicia, and Lexy never appears. It's implied that they are in Link's house, as the prologue has Isa state that they are in a nice house, but Link doesn't know she's there - probably because he has yet to move back in. I did say that Lexy joined the organization three years ago and shot Ganondorf, but Alicia took great care to make sure Ganondorf is in the dark about Isa's existence, as he could manipulate her into attacking Hyrule if she could pose as Zelda or Link...... It could be the cover story Alicia and Vaati made up for Isa, given that they hide so much information.

And in the newest arc for Ghirahim's My Roommate?, Isa is a nun who appears briefly, but Lexy has yet to make an appearance. My original plan was that she went back home, but if Isa was Lexy, would Alicia just let her leave? (Okay, there's a reason why Isa isn't in her home dimension but that is a spoiler.) 

So, I say that Isa/Echo is the same person as Lexy. But that's just me looking back at my work.

What do you guys think? Is Lexy the same person as Isa? If so, should I edit Ghirahim's My Roommate? to reflect that? (And should I change Lexy's name? I kind of hate it.)