The name "Oliver" is the same in German as it is in English. It is pronounced similarly, with a slight emphasis on the first syllable. In some contexts, you might also find the name written as "Olaf," but this is a different name altogether.
Nama saya Oliver.
Oliver Kahn
Name
mon nom est monsieur Oliver, je m'appelle monsieur Oliver
because its a name you say it the same in German
Sein name
Name = Name
As this is a name it remains the same in German.
Köln is how you say Cologne in German.
Caitlin. There is no German translation for this name.
ihr Name ist....
Allie is just Allie in German; there is no German translation.