TCPlayerbotCore/sql/updates/833_world_scripts.sql

UPDATE `creature_template` SET `ScriptName`='npc_dirty_larry', `unit_flags`=0, `flags_extra`=0 WHERE `entry`=19720;
UPDATE `creature_template` SET `unit_flags`=0, `flags_extra`=0 WHERE `entry` IN (19726, 19725);