"Mane Six" meaning in English

{
  "etymology_text": "mane (a play on main) + six",
  "forms": [
    {
      "form": "the Mane Six",
      "tags": [
        "canonical"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "def": "1",
        "head": "Mane Six"
      },
      "expansion": "the Mane Six",
      "name": "en-proper noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "name",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with 1 entry",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "langcode": "en",
          "name": "Fictional characters",
          "orig": "en:Fictional characters",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "langcode": "en",
          "name": "My Little Pony",
          "orig": "en:My Little Pony",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "langcode": "en",
          "name": "Nicknames",
          "orig": "en:Nicknames",
          "parents": [],
          "source": "w"
        }
      ],
      "coordinate_terms": [
        {
          "english": "G3 My Little Pony main characters",
          "translation": "G3 My Little Pony main characters",
          "word": "Core Seven"
        },
        {
          "english": "Equestria Girls main characters",
          "translation": "Equestria Girls main characters",
          "word": "Humane Five"
        },
        {
          "english": "My Little Pony: A New Generation or G5 main characters",
          "translation": "My Little Pony: A New Generation or G5 main characters",
          "word": "Mane Five"
        }
      ],
      "glosses": [
        "A fan nickname for the six main characters in My Little Pony: Friendship Is Magic."
      ],
      "id": "en-Mane_Six-en-name-Ox58JjCt",
      "links": [
        [
          "fandom",
          "fandom"
        ],
        [
          "nickname",
          "nickname#English"
        ]
      ],
      "raw_glosses": [
        "(fandom slang) A fan nickname for the six main characters in My Little Pony: Friendship Is Magic."
      ],
      "tags": [
        "slang"
      ],
      "topics": [
        "lifestyle"
      ]
    }
  ],
  "word": "Mane Six"
}

{
  "coordinate_terms": [
    {
      "english": "G3 My Little Pony main characters",
      "translation": "G3 My Little Pony main characters",
      "word": "Core Seven"
    },
    {
      "english": "Equestria Girls main characters",
      "translation": "Equestria Girls main characters",
      "word": "Humane Five"
    },
    {
      "english": "My Little Pony: A New Generation or G5 main characters",
      "translation": "My Little Pony: A New Generation or G5 main characters",
      "word": "Mane Five"
    }
  ],
  "etymology_text": "mane (a play on main) + six",
  "forms": [
    {
      "form": "the Mane Six",
      "tags": [
        "canonical"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "def": "1",
        "head": "Mane Six"
      },
      "expansion": "the Mane Six",
      "name": "en-proper noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "name",
  "senses": [
    {
      "categories": [
        "English entries with incorrect language header",
        "English fandom slang",
        "English lemmas",
        "English multiword terms",
        "English proper nouns",
        "English uncountable nouns",
        "Pages with 1 entry",
        "Pages with entries",
        "en:Fictional characters",
        "en:My Little Pony",
        "en:Nicknames"
      ],
      "glosses": [
        "A fan nickname for the six main characters in My Little Pony: Friendship Is Magic."
      ],
      "links": [
        [
          "fandom",
          "fandom"
        ],
        [
          "nickname",
          "nickname#English"
        ]
      ],
      "raw_glosses": [
        "(fandom slang) A fan nickname for the six main characters in My Little Pony: Friendship Is Magic."
      ],
      "tags": [
        "slang"
      ],
      "topics": [
        "lifestyle"
      ]
    }
  ],
  "word": "Mane Six"
}