What makes a meme coin successful?

Could you please elaborate on the factors that contribute to the success of a meme coin? I'm particularly interested in understanding what characteristics or strategies tend to resonate with investors and drive up the value of these coins. Additionally, are there any specific trends or patterns you've observed in the market that indicate a higher likelihood of success for a meme coin? Would a strong community following or unique selling proposition be among the key ingredients? Finally, could you share some examples of successful meme coins and discuss what made them stand out? Thank you in advance for your insights.