Name of character: Ombric "Father Time".

Voice of character: Ian McKellen.

Ombric "Father Time's" character bio:
Full Name: Ombric Shalazar.
Alias: Father Time.
Home: Santoff Claussen.
Alliance: Good.
Gender: Male.
Guardian of: Wisdom.
Appearance: An immortal old man, brown eyes, long white beard, white hair, bushy eyebrows, wears a long robe and a hat, and usually always carries around his staff.
Personality: Wise, powerful, mentor-like, kind-hearted, caring, fatherly, healthy and active, despite his eternally old age.
Relative(s): Katherine "Mother Goose" (adoptive daughter).
Allies: Katherine, Kailash (Katherine's pet goose), North, Bunny, Jack Frost, Tooth, Sandy, Mother Nature, Man in the Moon (Manny), Lucky, Punxsutawney Phil, Jamie, Sophie, Claude, Caleb, Cupcake, Pippa, and Monty.
Enemies: Pitch and his Nightmares.
Powers/Abilities/Weapons: His staff, magic, flight, and time travel.
Other Information:
Here are a few other characters Ian McKellen had played:
Gandalf (The Lord of the Rings movie trilogy):

Here's a clip: <da:embed id="ExU37Xz5Q0Q" profile="youtube" height="315" width="560">
And Cogsworth (Beauty and the Beast 2017 remake). He did both the voice and human character versions:


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And another clip:
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Next is Dustin Hoffman as the Man in the Moon (Manny)!