Ich heisse Christian, or mein Nom ist Christian.
The German name is spelled the same way: Christian
There is a German film producer with the name Christian Becker.
Adolf
You would say."Ich bin Christ."
Name
Christianity is (das) Christentum.
because its a name you say it the same in German
Karsten means "Christian". The origin of the name is German.
Sein name
Name = Name
As this is a name it remains the same in German.
Köln is how you say Cologne in German.