Lets talk about Mask/Name legacies
In TEW2013 terms, a Legacy is a worker's mask and \ or name which can be passed on to a successor, and is part of the Regeneration setting.
If a worker has his regeneration set to "Yes As A Legacy" then, upon retirement or death, his name and (optionally) mask are used during his regeneration. For example, if you had a wrestler known as "The Masked Grappler" with these settings, he would regenerate as "The Masked Grappler II", complete with the same picture as the original and with his mask.
These can be preset before the game or left for the game to calculate. The options allow for you to specific a name, short name, whether the regen should automatically have a blood relation to the person he is succeeding, whether there is a mask involved, and the iteration number (i.e. if you set the iteration as ten, the regen would be "The Masked Grappler 10" or "The Masked Grappler X").
Legacies continue on through the generations, and are only stopped when either the next name is invalid \ unavailable, or, if the current holder of the legacy fails to reach B- Respect by his death \ retirement, in which case the tradition is deemed not worthy of continuing.
Multiple workers can be linked to the same legacy; i.e all three Phoenix wrestlers in the CornellVerse lucha scene would be linked to the same legacy, meaning that regardless of what order they die or retire, their successor would be at the correct number.
Note that if the worker is a luchador, then the second iteration will usually become "Jr" rather than "2" or "II".
This addition is primarily to help make the lucha libre scene more realistic and fun, as well as being useful for some Japanese characters amongst others.