osx - Postgres : Change current user to root -

complete database newbie here. installed postgres on laptop run local apps , stuff. fact postgres setup using myname instead of root quite hinderance. way cant replace root?

i open psql this:

psql -h localhost

myname=# \l                                          list of databases      name     |    owner     | encoding |   collate   |    ctype    |       access privileges --------------+--------------+----------+-------------+-------------+-------------------------------  myname       | myname | utf8     | en_us.utf-8 | en_us.utf-8 |  pixelmanager | myname | utf8     | en_us.utf-8 | en_us.utf-8 |  postgres     | myname | utf8     | en_us.utf-8 | en_us.utf-8 |  template0    | myname | utf8     | en_us.utf-8 | en_us.utf-8 | =c/myname              +               |        |          |             |             | myname=ctc/myname  template1    | myname | utf8     | en_us.utf-8 | en_us.utf-8 | =c/myname              +               |        |          |             |             | myname=ctc/myname (5 rows) 

thanks help

simply set 2 default databases (template1 / template0) user want, , future / new databases created new user.

for e.g.

alter database template0 owner newname1; alter database template1 owner newname1;