Nationality: East German
Affiliation: Socialist Unity Party of Germany
Rank: Major

Johannes Zweig is a member of the SED responsible for ensuring the 666th TSF Squadron completes objectives in line with the desire of the Party during Operation Neptune, regardless of whether or not they are unreasonable in the situation.

Zweig is Gretel Jecklen’s direct superior, and threatens she and Irisdina will be removed from the squadron if they don’t comply with his demands.