Reshiram

After 236 Soft Resets Reshiram came shiny

You can find Reshiram in the Flabed Cave (You need a level 100 Pokémon in your team)

Level 50

Nature: Lax (+ Defense - Sp.Defense)

Ability: Turboblaze (Moves can be used on the target regardless of its abilities)

Moves:

Dragon Breath (Dragon)

Slash (Normal)

Extrasensory (Psychic)

Fusion Flare (Fire)

Next Shiny: Giratina

Poochyena

After 222 meetings Poochyena came shiny

You can find Poochyena in Routes 101, 102 and 103 using the Dexnav

Level 4

Nature: Bashful (Neutral)

Ability: Quick Feet (Boosts the Speed stat if the Pokémon has a status condition)

Moves:

Snatch (Dark)

Howl (Normal) 

Next Shiny: Reshiram