characterThangTypeSlug = character => {
  if (!character) {
    return
  }

  const thangType = characterFromThangTypeSchema((character || {}).thangType)
  if (!thangType) {
    return
  }

  const { slug, thang } = thangType

  const enterOnStart = character.enterOnStart || false

  return { slug, enterOnStart, thang }
}
Returns exactly the data required to fulfill the information to place a character
onto the screen.
@param {CharacterSchema} character - the left or right character in CharacterSchema
@return {Object|undefined} with slug, enterOnStart, and thang properties object.