Pathfinder Ubermount?

[Prime32]

Everything I could find related to animal companions, and some mount-related stuff:

1st Party
http://www.d20pfsrd.com/classes/core-classes/druid
http://www.d20pfsrd.com/classes/core-classes/druid/animal-companions
http://www.d20pfsrd.com/classes/core-classes/ranger
http://www.d20pfsrd.com/classes/core-classes/ranger/archetypes/paizo---ranger-archetypes/beastmaster
http://www.d20pfsrd.com/classes/core-classes/ranger/archetypes/paizo---ranger-archetypes/falconer
http://www.d20pfsrd.com/classes/core-classes/ranger/archetypes/paizo---ranger-archetypes/horse-lord
http://www.d20pfsrd.com/classes/core-classes/ranger/archetypes/paizo---ranger-archetypes/sable-company-marine
http://www.d20pfsrd.com/classes/core-classes/ranger/archetypes/paizo---ranger-archetypes/skirmisher
http://www.d20pfsrd.com/classes/core-classes/paladin (extra powers)
http://www.d20pfsrd.com/classes/base-classes/cavalier
http://www.d20pfsrd.com/classes/base-classes/cavalier/archetypes/paizo---cavalier-archetypes/beast-rider
http://www.d20pfsrd.com/classes/alternate-classes/samurai
http://www.d20pfsrd.com/classes/core-classes/barbarian/rage-powers/paizo---rage-powers/ferocious-mount-ex
http://www.d20pfsrd.com/classes/core-classes/barbarian/rage-powers/paizo---rage-powers/ferocious-mount-greater-ex
http://www.d20pfsrd.com/classes/core-classes/barbarian/rage-powers/paizo---rage-powers/spirit-steed-su
http://www.d20pfsrd.com/classes/core-classes/barbarian/archetypes/paizo---barbarian-archetypes/mounted-fury
http://www.d20pfsrd.com/classes/core-classes/sorcerer/archetypes/paizo---sorcerer-archetypes/wildblooded/sylvan
http://www.d20pfsrd.com/classes/prestige-classes/other-paizo/n-r/nature-warden
http://www.d20pfsrd.com/classes/core-classes/cleric/domains/paizo---domains/animal-domain
http://www.d20pfsrd.com/classes/core-classes/cleric/domains/paizo---domains/scalykind-domain (least-weakened weak AC)
http://www.d20pfsrd.com/classes/core-classes/cleric/domains/paizo---domains/scalykind-domain/saurian (likewise)
http://www.d20pfsrd.com/magic/all-spells/c/companion-mind-link
http://www.d20pfsrd.com/magic/all-spells/r/raise-animal-companion
http://www.d20pfsrd.com/feats/general-feats/boon-companion
http://www.d20pfsrd.com/feats/general-feats/companion-figurine (What, no panther?)
http://www.d20pfsrd.com/feats/combat-feats/horse-master-combat (like Boon Companion on drugs)
http://www.d20pfsrd.com/feats/general-feats/improved-share-spells
http://www.d20pfsrd.com/feats/monster-feats/vampiric-animal-companion (Awesome)
http://www.d20pfsrd.com/feats/general-feats/andoren-falconry-local

3rd Party
http://www.d20pfsrd.com/races/3rd-party-races/alluria-publishing/anumus
http://www.d20pfsrd.com/classes/3rd-party-classes/4-winds-fantasy-gaming/apprentice
http://www.d20pfsrd.com/classes/core-classes/druid/archetypes/3rd-party-publishers/super-genius-games---druid-archetypes/air-elemental-companion
http://www.d20pfsrd.com/classes/core-classes/fighter/archetypes/4-winds-fantasy-gaming---fighter-archetypes/bonded-pet
http://www.d20pfsrd.com/classes/3rd-party-classes/s/death-mage#TOC-Death-Bond
http://www.d20pfsrd.com/classes/3rd-party-classes/s/shaman
http://www.d20pfsrd.com/feats/3rd-party-feats/super-genius-games/general-feats/second-bond
http://www.d20pfsrd.com/feats/3rd-party-feats/rite-publishing/101-feats/bonded-feats (lots of stuff)
http://www.d20pfsrd.com/feats/3rd-party-feats/super-genius-games/general-feats/magister-s-companion

Now how to abuse this?