Not-Hakann is an original character called Mariz, a female Fire Skakdi who works as a law enforcer for the Kingdom of Zakaz.
Mr. Visorak Head is a character called Arc, who has his own post here. However, the pictures there are outdated (I’ve upgraded the moc since making that post) and I can definitely do better with the write-up, so I’ll likely be reposting him in the future.