Gerald (许国欢, born September 19, 1984), better known by his stage name Boy Thunder, is a Singaporean radio personality. He once worked as a radio host for Singapore-based music station Hot FM 91.3 and hosted the evening show Taking You Home with Adam Piperdy and Joshua Simon from 4 – 7.30pm.

In June 2014, he joined rival station 987 and hosted the night show “Itchy Pyjamas” from 8pm to 12 midnight.

Currently, he is hosting “Hotdogs”, along with Adam Piperdy from 8pm-12am every weekday.

  GERALD KOH   is listed for the convenience of Splice Studios clients for voice sessions scheduled via Splice
  Can do live direction via Skype