A manga in the Ultra Series that ran in the late 1970s, by Uchiyama Mamoru. Its original run, from 1975 to 1976, became known as the Jackal Arc, and would receive a short animated adaptation in 2015. Zoffy would be the protagonist during this run, joined by newcomer Melos. After being republished in 1978, the manga received a new wave of popularity, running for another year until 1979, with a set of smaller arcs.
See also
The Ultraman - anime by Sunrise, unrelated despite the similar names
