As an expert in the field of comic book lore and pop culture, I can provide you with the answer to your question. Thanos, a character from the Marvel Universe, is the son of Mentor and Sui-San. Mentor is a time-traveling Eternal, and Sui-San is an Eternal as well. Thanos is often referred to as the "Mad Titan" and is known for his quest for the Infinity Stones to wipe out half of all life in the universe.

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Sui-San bore two children for Mentor, Thanos and Eros (later known as Starfox). Sui-San died in Thanos' first major attack against Titan. Mentor implored his father Chronos to aid Titan against Thanos, causing Chronos to create Drax the Destroyer. Mentor later met Rick Jones and Captain Mar-Vell.read more >>