how can i create {cat_name2}

[Ersen]

Apologise for my english.

Hello, i want a new variable. {cat_name2},

my cat name is: messi and cristiano ronaldo
when i add {cat_name} in my theme (for example categories.html). this seems to be messi and cristiano ronaldo in page.

i want to this.

my cat name is: cristiano ronaldo
when i add {cat_name2} in my theme. this seems to be messi-and-cristiano-ronaldo in page.

Thank you.