Ubuntu
Default character encoding in gnome-terminal
env LC_CTYPE=en_DK.ISO-8859-1 gnome-terminal
And/or use this, too - but I haven't investigated the difference, yet.
env LC_CTYPE=en_DK.ISO-8859-15 gnome-terminal
Also see https://bugs.launchpad.net/gnome-terminal/+bug/3923
Default size on gnome-terminal
gnome-terminal --geometry 160x48
Also see "man gnome-terminal"