Little Buddy by aaron_the_ruler

/summon ArmorStand ~ ~1 ~ {CustomName:"Aaron's Buddy",CustomNameVisible:1,ShowArms:1,Small:1,Invulnerable:1,NoBasePlate:1,Equipment:[{},{},{},{},{id:cobblestone,Count:1,tag:{display:{Name:"Aaron's Buddy"}}}],Riding:{id:"Wolf",CollarColor:0,Sitting:0,Attributes:[{Name:generic.maxHealth,Base:100},{Name:generic.movementSpeed,Base:2},{Name:generic.followRange,Base:44}],Invulnerable:1,PersistenceRequired:1,ActiveEffects:[{Id:14,Amplifier:100,Duration:1999999980,ShowParticles:0b}]}}