There are actually two different bands going by the name Hohokam 1) British 80s synthpop band produced by Gary Numan's label "Numa Records".
Primary band members were Dave Earl (guitar), Steve Devier (vocals), Tony Alum (drums) and George Kamm - RIP (synths & bass). After George Kamm left the group Gary Numan"s in house studio sound engineer Andy Reilly joined the band as drummer and Tony Alum took over keyboard duties.

Read more about Hohokam on Last.fm.