Ernien.

1956 Electronic Engin. 28 400 It has been decided that the only feasible method of making the draw is by electronic means. For this purpose an Electronic Random Number Indicator Equipment (ERNIE) has been evolved.

1957 Times 1 June 4/1 Ernie here is a pleasant enough fellow and..will be a lot more efficient at picking winning premium bonds.

1966 C. Bermant Diary of Old Man 115 He won the premium bonds once, I know that for sure. We were sitting in the library and he was going over the Ernie numbers with a magnifying glass when he gave a sudden loud whoop.

1970 ‘A. Gilbert’ Death wears Mask ix. 137 I might have come from Ernie, to tell him he's won £25,000 in the draw.