Who played little ricky ricardo?

The character of "Little Ricky Ricardo" on the television show "I Love Lucy" was played by two sets of twins:

* Richard Keith and Robert Keith played Little Ricky from 1951 to 1953.

* Keith Thibodeaux and Richard Thibodeaux played the role from 1953 to 1957.

The Thibodeaux twins were younger than the Keith twins, and they were chosen to play the character as he grew older.