Ninja Saga Pet: Eriko(the dog)

You can buy and obtain these pets on Pet Shop - and it only costs you Gold.
Credits for cobaltblue, jinchuriki of Ninja Saga Forums.

Skills
1st skill - level 1: Bite Attack
2nd skill - level 10: Spin Strike
3rd skill - level 20: Stale Gas (Blind ~Decreases 15% of target's accuracy rate - 2 turns)
4th skill - level 30 Courage Roar : Roar for master - increase master`s all attack damage by 5 % ( 2 turns ) 
5th Skill: Secret Jutsu; Eliminate Strike - (Reduce 3% of HP's opponent)


General Requirements for Unlocking Pet Skills
1st skill: It's already there when you obtain this pet.
2nd skill: 200,000 gold
3rd skill: 300,000 gold
4th skill: 500,000 gold + magatamas: 6 (level 1)
5th skill: 1,000,000 gold + magatamas: 6 (level 1), 4 (level 2), 2 (level 3)
6th skill: 1,500,000 gold + magatamas: 10 (level 1), 8 (level 2), 6 (level 3), 4 (level 4), 2 (level 5)