Dogecoin originally started as a joke currency based on a meme about a happy-looking Shiba Inu (known as "Doge"). The community is also known for it's other charitable activities such as fundraising for charity. It sponsorship of the Jamaican bobsled team in the 2014 SochiWinter Olympics,raising funds for them when they could not afford to go.
Dogecoin holds over most other cryptocurrencies in it's block generation time of only 1min(vs Bitcoin's 10min and Litecoin's 2.5min). This means that miners can validate their transaction and put on the parmanent ledger much more quickly.