client.on('message', message => {
  console.log('DEBUG:', message.content)
  if (message.content.startsWith('!avatar')) {
    const mentionmember = message.mentions.members.first() || message.guild.members.get(args[0])
    const embed = new RichEmbed()
    embed.setColor(525252)
    embed.setTimestamp()
    if (!mentionmember) {
      embed.setTitle(`**${message.author.username}** avatar`)
      embed.setImage(message.author.avatarURL)
    } else if (mentionmember) {
      embed.setTitle(`**${mentionmember.username}** avatar`)
      embed.setImage(mentionmember.user.avatarURL)
    }
    message.channel.send(embed)
  }
})