Evilution pics (Nightowl Productions) Evilution is an H4 poster mask made by Justin Mabry at Nightowl Productions. This was Justin's first H4 poster mask and was later re-tooled and became one of Nightowl's most famous masks, The Maniac. Two version of Evilution can be found, with the difference being the hair type, which is either camel or mohair. * This mask is no longer in production. MASK VALUED AT: $200 - $300 for camel hair MASK VALUED AT: $300 - $350 for for mohair