YOU SAID:
Captain Greenland is not a real name.
INTO JAPANESE
キャプテン グリーンランドは本名ではありません。
BACK INTO ENGLISH
Captain Greenland is not his real name.
INTO JAPANESE
キャプテン グリーンランドは彼の本名ではありません。
BACK INTO ENGLISH
Captain Greenland is not his real name.
That didn't even make that much sense in English.