Names & Cert Links of Couple: Chaos The Destroyer of Hope & The Madness
Names of Owners: Fatal Irony & Mindsend
How Long Is This Agreement Good For?: permanent permission to breed with each other repeatedly as well as fling with others.
(Can be broken by quoting and saying "breaking agreement" or something similar OR by just... Lifemating someone? (not likely with them being walkers, but they could end up charmed so *shrug*))