Abilities

Animagus
Claudia Morais (medium sized brown dog)

Elementals
Vivian Grindelwald (Air & Earth)
Bellona Lestrange (Ice)
Siobhan Finnigan (Fire)

Metamorphmagus
Ptolemy Rowle
Austin Blake

Occlumens/Legilimens
Lochlan Riddle - Occlumens
Harrison Jetson - Occlumens & Legillimens

Parseltongue
(Requires Slytherin bloodline; talk to an admin)
Gabriella Riddle
James Potter
Matilda Riddle
Medea Riddle
Mackenzie Riddle

Seers
Open

Other Abilities
(For abilities that aren't healing, telekinesis, telepathy, etc., please provide a link to the superpower wikia article or explain it for approval)
Carina Malfoy - Empath
Serena Snape - Telepath

Creatures

Nymph
Dione Cross

Vampires
Nicoleta Miller
Winter Lestoat

Part-Vampires
Harrison Jetson
Willow Rossi

Veela
Open

Part-Veela
Camille Voclain
Fleur Weasley
Louis Weasley
Victoire Weasley
Dominique Weasley
Calista Felling

Werewolves
Lysander Scamander