Battle Log displays random name every time you mount.

Time:
Frequency:
World name: Balmung
Character name: Fiddler Bridgeburner
NPC name: Chocobo Mount
Monster name:
Class/Level: just happened to notice when 17 Pug
Party or solo:
In-game time: Anytime of day
Area and coordinates: Near the entrance to lvl 15 Pug instance when i Noticed.

Steps:
1. Open the Battle log section
2. Mount up
3. Screen will display a different name (not your own) each time you mount up. Typically these names are an NPC or monster's name from the local area.

It is really quite hilarious.