Intimidating russian names
B Performers can go a lot of ways when choosing a new name.
Some add a middle name, some add an initial somewhere, some add their mother's maiden name or the name of someone they respect, while others just choose a name at random.
Rambo - After the iconic military film character played by Sylvester Stallone. Xena is a modern fictional character, but she is associated with Greek mythology.
With the immense amount of stamps issued over the last 160 or so years, the philatelic specialization, general collecting, and topical collecting possibilities in this area are limitless!
The stamps of the Russian Empire offer a wonderful opportunity for a philatelic study!
See also Porn Names for a particular variant of this.
Authors have their own equivalent of this, the Pen Name, which is treated as a separate trope.