How to make Channel Headings [spacer]

[yyosephh]

Since i can to it last year but now i forgot the code,
Its the code like we put in our name (symbol) and it will make our space name bigger than others

Example it was something like (͡° ͜ʖ ͡°) but not this one

Please can anyone know ?

Thx alot

As you can see the picture i want to make my space big
Its a trick for ts3 but cant remember what symbol or code do i put in my name