who is the illustrater of the bad begging by lemony snicket?

Answer 1

I'll assume your meant Bad Beginning which was illustrated by Brett Helquist

Answer 2

Brett Helquist is an American illustrator best known for his work in the children's books A Series of Unfortunate Events. As such, his illustrations for that series have appeared in multiple media, including the books, the audiobook covers, the calendars, and so on.

According to the biographical information published with that series, Helquist was born in Ganado, Arizona, lived in Orem, Utah, earned a Bachelor's Degree in Fine Arts from Brigham Young University, and lives in New York City (as of 2004). He has been published in the children's magazine Cricket, and the New York Times. He is represented by Steven Malk of Writers House in New York City.

Besides the thirteen A Series of Unfortunate Events books, Helquist has provided illustrations for several other children's books, including:

The Wright 3, ISBN 0-439-69367-5
Chasing Vermeer, ISBN 0-439-37294-1
Milly and the Macy's Parade, ISBN 0-439-29754-0
The Revenge of Randal Reese-Rat, ISBN 0-06-050867-1
Books in the Tales from the House of Bunnicula series by James Howe:
It Came from Beneath the Bed!, ISBN 0-689-83948-0
Howie Monroe and the Doghouse of Doom, ISBN 0-689-83952-9
Screaming Mummies of the Pharaoh's Tomb II, ISBN 0-689-83953-7
Bud Barkin, Private Eye, ISBN 0-689-86989-4
The Odorous Adventures of Stinky Dog, ISBN 0-689-87412-X
Brett also wrote and illustrated Roger, the Jolly Pirate, ISBN 0-06-623805-6, published in 2004.

He also produced new cover illustrations for a recent reprint of the "Green Knowe" series:

The Children of Green Knowe, ISBN 0-15-202468-9
The Treasure of Green Knowe, ISBN 0-15-202601-0 (aka The Chimneys of Green Knowe)
The River at Green Knowe, ISBN 0-15-202607-X
A Stranger at Green Knowe, ISBN 0-15-202589-8
An Enemy at Green Knowe, ISBN 0-15-202481-6
The Stones of Green Knowe, ISBN 0-15-205566-5

Answer 3

Brett Helquist illustrated all 13 of the "Series of Unfortunate Events" including part one, "The Bad beginning".