Giant CockroachCreature 1
Perception +6 (darkvision, scent (imprecise) 60 feet)
Languages none
Skills Acrobatics +6, Stealth +8
Str +1, Dex +3, Con +1, Int -5, Wis +1, Cha -1
AC 16; Fort +6; Reflex +8; Will +4;
HP 20
Speed 25 feet (climb 25 feet, fly 15 feet)
Mandibles
+8 (+4, +0) to hit (agile, finesse, unarmed) 1d6+1 PiercingScurry

Trigger The giant cockroach is targeted by a melee attack
Effect The giant cockroach gains a +2 circumstance bonus to AC against the triggering attack. After the attack resolves, the cockroach Strides, Climbs, or Flies up to 10 feet.
Cockroaches are communal creatures, rarely setting out on their own unless they are searching for food. If an adventurer encounters a single giant cockroach while exploring, they had best take precautions against others, as there is likely an entire colony nearby.
Traits
Anything that doesn't list another rarity trait (uncommon, rare, or unique) automatically has the common trait. This rarity indicates that an ability, item, or spell is available to all players who meet the prerequisites for it. A creature of this rarity is generally known and can be summoned with the appropriate summon spell.
AnimalAn animal is a creature with a relatively low intelligence. It typically doesn't have an Intelligence attribute modifier over –4, can't speak languages, and can't be trained in Intelligence-based skills.