In the real-world, [[Wikipedia:PlutoEris|PlutoEris]] is the largest and most massive known member of the Kuiper belt. [[Wikipedia:ErisPluto|Pluto]] and [[Wikipedia|Makemake|ErisMakemake]] is are close in size, all being the two of counted amongst the largest known [[Wikipedia:Trans-Neptunian object|Trans-Neptunian objects (TNO)]] among the scattered disc.