He invents the flux capacitor which he places in a DeLorean to create a time machine.
This character says "Hurry up! Get out before you meet yourself coming in!" in one amusement park appearance. He complains about selling out to a "mercenary clown" in his cameo in The Simpsons Ride, a reference to it replacing an earlier ride featuring this character at Universal Studios. This man has dogs named Copernicus and Einstein, while his children will eventually be named Jules and Verne. In his third film appearance, he marries a woman named Clara Clayton who lives in Hill Valley, circa (*) 1885. This scientist, who is at one point shot by Libyan terrorists, notes when a certain object hits 88 miles per hour, you're going to see some serious shit. He invents the flux capacitor which he places in a DeLorean to create a time machine. For 10 points, name this eccentric, Christopher Lloyd played scientist who helps Marty McFly in the Back to the Future movies.
This character says "Hurry up! Get out before you meet yourself coming in!"
Doc Emmett Brown [accept either part]