My candidate Niffler was left standing at the Hatching!
16-Turn-old Niffler, a Holdbred lad from Jessaf Hold, was Left Standing at the Hatching!
Niffler's achievements

Achievement Unlocked:
TEA AND SYMPATHY
I was left standing!

Achievement Unlocked:
SHINY!
I returned all of Valonna's stolen jewellery!

Achievement Unlocked:
RIDDLES IN THE DARK
I solved all three of green rider Kisha's riddles!

Achievement Unlocked:
TOUCHA TOUCHA TOUCH ME
I sneaked into the Hatching Ground and touched an egg!

Achievement Unlocked:
THE FIRST RULE OF FIGHT CLUB
I discovered an egg that no one was talking about!

Achievement Unlocked:
BLUE BALLS
I diverted both blue riders from Bristath's flight.

Achievement Unlocked:
AGE CONCERN
I helped three of Madellon's senior citizens in their twilight Turns!

Achievement Unlocked:
GRANNY'S GARDEN
I offered Squiffy and her fair the right food!

Achievement Unlocked:
RUTHLESS
I discovered that not every dud egg has a happy ending.

Achievement Unlocked:
OLD BONES
I helped R'hren make a salve for Staamath's arthritis!

Achievement Unlocked:
THE SALLAH
I maxed out my ALTRUISTIC score!

Achievement Unlocked:
THE F'NOR
I maxed out my BOLD score!

Achievement Unlocked:
THE JORA
I maxed out my LAZY score!

Achievement Unlocked:
THE SILVINA
I maxed out my POLITE score!

Achievement Unlocked:
THE KYLARA
I maxed out my PROUD score!